18-Letter Words Containing: H,A,O
(In Any Order)
There are 163 18 letter words,
764 18 letter phrases and
0 18 letter abbr's with
H,A,O in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (163)
- hypercoagulability
- anthropomorphizing
- psychopharmacology
- sociopsychological
- psychopathological
- hyperaldosteronism
- neuropsychological
- weatherproofnesses
- ultrasophisticated
- triskaidekaphobias
- thermoplasticities
- theatricalizations
- tachistoscopically
- supersophisticated
- stoutheartednesses
- stoichiometrically
- stereophotographic
- sphygmomanometries
- spectroheliography
- spectroheliographs
- rhabdomyosarcomata
- rehospitalizations
- rechromatographing
- rechromatographies
- radiochromatograms
- psychopathologists
- psychobiographical
- psychoanalytically
- pseudoparenchymata
- praiseworthinesses
- postpsychoanalytic
- polymorphonuclears
- polychromatophilic
- polychromatophilia
- phytohemagglutinin
- physiopathological
- photosynthetically
- photosensitization
- photoreactivations
- photomicrographies
- photolithographing
- photolithographies
- photodissociations
- photodisintegrates
- photodisintegrated
- phosphoglucomutase
- phosphodiesterases
- phonocardiographic
- pheochromocytomata
- phenomenologically
- pentachlorophenols
- pathophysiological
- oscillographically
- orthopsychiatrists
- orthogonalizations
- organophosphoruses
- ophthalmologically
- nonanthropologists
- nonanthropological
- neuropsychiatrists
- neuropharmacologic
- monochromaticities
- microradiographies
- microphotographies
- microphotographers
- micromorphological
- methylcholanthrene
- methemoglobinemias
- metallographically
- mechanochemistries
- macrophotographies
- lymphangiographies
- lipopolysaccharide
- irreproachableness
- interrelationships
- inhospitablenesses
- inharmoniousnesses
- immunopathologists
- immunopathological
- immunohematologist
- immunohematologies
- immunocytochemical
- hyposensitizations
- hypersensitization
- hyperrationalities
- hyperpolarizations
- hyperpigmentations
- hypernationalistic
- hyperimmunizations
- hyperconcentration
- hyperalimentations
- hydroxytryptamines
- hydrometallurgists
- hydrometallurgical
- homoscedasticities
- histophysiological
- hemoglobinopathies
- geochronologically
- ethnomusicological
- epithelializations
- electroretinograph
- electrophotography
- electrophoretogram
- electrooculography
- electromyographies
- echocardiographies
- echocardiographers
- dishonorablenesses
- diphenylhydantoins
- dihydroergotamines
- dextroamphetamines
- dephosphorylations
- demythologizations
- dehydrochlorinates
- dehydrochlorinated
- dehydrochlorinases
- claustrophobically
- chromolithographic
- chromolithographer
- chromolithographed
- chlortetracyclines
- bacteriorhodopsins
- autobiographically
- australopithecines
- astrophotographies
- astrophotographers
- archaeoastronomies
- angiocardiographic
- aerothermodynamics
- trichlormethiazide
- tetraiodothyronine
- tetrachloromethane
- tetrachlorethylene
- spectrographically
- saccharomycetaceae
- rhinolaryngologist
- pteridospermaphyta
- psychotherapeutics
- pocket-handkerchief
- plasmodiophoraceae
- palaeoanthropology
- pachycephalosaurus
- order-chenopodiales
- noninterchangeable
- nitrochloromethane
- neurophysiological
- mucopolysaccharide
- laryngopharyngitis
- hypoparathyroidism
- hypercholesteremia
- hydroflumethiazide
- homobasidiomycetes
- histocompatibility
- electrocardiograph
- echoencephalograph
- diethylmalonylurea
- cytoarchitectonics
- chlorofluorocarbon
- chloroacetophenone
- chlamydomonadaceae
- chemotherapeutical
- anticholinesterase
- anthropocentricity
Phrases (764)
- xerographic printer
- william dean howells
- washington monument
- typographical error
- tuamotu archipelago
- triglochin maritima
- tomistoma schlegeli
- tichodroma muriaria
- thomas wright waller
- thomas clayton wolfe
- theoretical account
- theodosius the great
- sulfur hexafluoride
- star-shaped fortress
- sphenodon punctatum
- solidago spathulata
- sir martin frobisher
- sir frederick ashton
- sir arthur john evans
- short-term liability
- setophaga ruticilla
- sergei rachmaninoff
- scottish highlander
- rhetorical language
- rheims-douay version
- research colloquium
- republic of honduras
- relaxation behavior
- read-only memory chip
- rabindranath tagore
- polish monetary unit
- polianthes tuberosa
- physiological state
- physical phenomenon
- physical attraction
- phylum coelenterata
- photographer's model
- phoenix dactylifera
- ottmar mergenthaler
- oscar hammerstein ii
- order ichthyosauria
- one thousand million
- oenothera fruticosa
- occupational hazard
- niccolo machiavelli
- new world flycatcher
- national censorship
- nathaniel hawthorne
- myrmecophaga jubata
- mount rushmore state
- morchella crassipes
- methotrexate sodium
- method of accounting
- ludwig van beethoven
- low-birth-weight baby
- loranthus europaeus
- lighthorse harry lee
- lepomis macrochirus
- lachrymal secretion
- john pierpont morgan
- john orley allen tate
- john charles fremont
- johann ludwig uhland
- joel chandler harris
- james whitcomb riley
- james grover thurber
- installation charge
- indian rhododendron
- hypostasis of christ
- human growth hormone
- human gamma globulin
- houses of parliament
- household appliance
- historical document
- hindu calendar month
- herman northrop frye
- heloderma suspectum
- heat of vaporization
- heat of vaporisation
- health professional
- health care provider
- harold clayton lloyd
- hand-to-hand struggle
- hallucinogenic drug
- hablot knight browne
- graphical recording
- gossypium herbaceum
- george michael cohan
- geophysical science
- geographical region
- genus saccharomyces
- genus phyllostachys
- genus phalacrocorax
- genus eschscholtzia
- genus encephalartos
- genus dorotheanthus
- genus dimorphotheca
- genus archaeopteryx
- gallinula chloropus
- freudian psychology
- fourth cranial nerve
- family loranthaceae
- family heteromyidae
- euphorbia marginata
- edward lee thorndike
- edgar rice burroughs
- dylan marlais thomas
- douay-rheims version
- doctor of osteopathy
- dmitri shostakovich
- division anthophyta
- depth charge thrower
- defender of the faith
- danish monetary unit
- dame sybil thorndike
- dame joan sutherland
- cyrus hall mccormick
- crotalus mitchellii
- crataegus oxycantha
- council of chalcedon
- computer peripheral
- common american shad
- collapsible shelter
- class schizomycetes
- class hyalospongiae
- chromosomal anomaly
- christopher marlowe
- chemical phenomenon
- chemical operations
- chemical attraction
- charles follen mckim
- capital of lithuania
- california white oak
- bush administration
- break someone's heart
- biological research
- battle of brunanburh
- bachelor of medicine
- authoritarian state
- ascension of the lord
- arthur schopenhauer
- arthur holly compton
- anton van leuwenhoek
- antipsychotic agent
- andrija mohorovicic
- andrew dickson white
- anchusa officinalis
- amphibious aircraft
- amaranthus spinosus
- alpha-linolenic acid
- allegheny mountains
- algorithmic program
- afghan monetary unit
- acoustic gramophone
- accordance of rights
- 5-hydroxytryptamine
- yellow-breasted chat
- yellow pitcher plant
- writ of habeas corpus
- wilson cloud chamber
- willie howard mays jr.
- william henry hudson
- william henry hoover
- whole life insurance
- western mountain ash
- wesleyan methodists
- weather forecasting
- walter john de la mare
- veronica chamaedrys
- vascular prosthesis
- vascular hemophilia
- valley pocket gopher
- uveoscleral pathway
- upholstery material
- uniocular dichromat
- type of architecture
- trisodium phosphate
- trimorphodon lambda
- trichostema lanatum
- tricholoma venenata
- tricholoma vaccinum
- tricholoma pardinum
- trichloracetic acid
- tragelaphus buxtoni
- topographic anatomy
- topical anaesthetic
- topical anaesthesia
- thujopsis dolobrata
- threshold operation
- threatened abortion
- thoroughbred racing
- thomas stearns eliot
- thomas gainsborough
- third battle of ypres
- third baron rayleigh
- thevetia neriifolia
- thermoplastic resin
- thermobia domestica
- therapeutic cloning
- theory of relativity
- theory of indicators
- theatrical producer
- theater of the absurd
- the great starvation
- thamnophis sirtalis
- thamnophis sauritus
- thamnophis proximus
- thalamostriate vein
- textual scholarship
- taraxacum kok-saghyz
- tall gallberry holly
- talk through one's hat
- symphoricarpos alba
- sydney harbor bridge
- supratrochlear vein
- subphylum urochorda
- suborder menotyphla
- suborder lipotyphla
- straight-line method
- stochastic variable
- stations of the cross
- standard atmosphere
- sphenoidal fontanel
- sphenoid fontanelle
- spanish oyster plant
- spanish inquisition
- southern white cedar
- southern maidenhair
- south temperate zone
- south celestial pole
- solar thermal system
- sodium thiosulphate
- sociological theory
- social anthropology
- sir john carew eccles
- sir ernst boris chain
- sir alfred hitchcock
- side-blotched lizard
- shoshonian language
- shoshonean language
- shortia galacifolia
- short saphenous vein
- short gastric artery
- shorea teysmanniana
- shaggymane mushroom
- sexual relationship
- sex-change operation
- semi-sweet chocolate
- semaphore telegraph
- secretary of the navy
- scolymus hispanicus
- saxifraga hypnoides
- sarcophilus hariisi
- sarcophaga carnaria
- sarah kemble siddons
- saint thomas aquinas
- saint thomas a becket
- rocky mountain sheep
- rockingham podocarp
- robert james fischer
- robert bruce mathias
- richea pandanifolia
- richard john roberts
- richard ii of england
- richard coeur de lion
- rhododendron maxima
- rhodesian ridgeback
- rhodanthe manglesii
- rhizomatous begonia
- rhizoctinia disease
- rhetorical question
- research laboratory
- republic of the sudan
- regular tetrahedron
- regular icosahedron
- regional anesthesia
- red-green dichromacy
- reaumur thermometer
- ramsay hunt syndrome
- ralph johnson bunche
- rachel louise carson
- quantum field theory
- quadriphonic system
- quadraphonic system
- pyrrhuloxia sinuata
- pyrophosphoric acid
- pyorrhea alveolaris
- pulmonary emphysema
- pull out all the stops
- psychotria capensis
- psychotherapy group
- psychological state
- psoriatic arthritis
- pseudotaxus chienii
- prophylactic device
- prince-of-wales'-heath
- prince of wales heath
- president john adams
- potassium hydroxide
- positive chemotaxis
- portal hypertension
- pork-and-veal goulash
- populus trichocarpa
- polystichum braunii
- polyphosphoric acid
- police headquarters
- poephila castanotis
- platanthera bifolia
- plains pocket gopher
- pied piper of hamelin
- phylum chaetognatha
- phyllostachys nigra
- phyllostachys aurea
- phyllodoce caerulea
- phrynosoma cornutum
- phragmites communis
- photographic camera
- phonological system
- phoenician language
- philippine mahogany
- philipp melanchthon
- phasianus colchicus
- phaseolus coccineus
- phaseolus caracalla
- phaseolus angularis
- phalacrocorax carbo
- pezophaps solitaria
- pellitory-of-the-wall
- pedilanthus pavonis
- paumotu archipelago
- paul joseph goebbels
- part-of-speech tagger
- parsley-leaved thorn
- parochetus communis
- parathyroid hormone
- parathion poisoning
- palestine authority
- orthochromatic film
- ornithopod dinosaur
- oriental bush cherry
- order synentognathi
- order stegocephalia
- order psilophytales
- order marchantiales
- order haplosporidia
- order haemosporidia
- order ephemeroptera
- orange horseshoe bat
- opuntia lindheimeri
- opisthocomus hoazin
- operations research
- onopordum acanthium
- onopordon acanthium
- omphalotus illudens
- old world flycatcher
- okeechobee waterway
- nuclear-powered ship
- nothofagus truncata
- northern white cedar
- northern barramundi
- north temperate zone
- north celestial pole
- norman architecture
- non-christian priest
- nikolai lobachevsky
- nicolas malebranche
- nicholas ii of russia
- newtonian mechanics
- nemophila menziesii
- negative chemotaxis
- napierian logarithm
- myositis trichinosa
- myasthenic syndrome
- muskhogean language
- munchausen syndrome
- mullah mohammed omar
- muhammad ali of egypt
- mountain fetterbush
- mountain chinchilla
- mother-of-pearl cloud
- mother-in-law's tongue
- moreton bay chestnut
- morchella esculenta
- momordica charantia
- mohammedan calendar
- minato ohashi bridge
- military censorship
- mikhail baryshnikov
- microhoning machine
- michael stuart brown
- michael gerald tyson
- metaphosphoric acid
- mentha rotundifolia
- mathematical symbol
- malice aforethought
- malathion poisoning
- magnesium hydroxide
- macrocephalon maleo
- machine translation
- lysiloma bahamensis
- lycium halimifolium
- lycaena hypophlaeas
- lupus erythematosus
- louis the quarreller
- louis henry sullivan
- louis henri sullivan
- lord high chancellor
- long-head coneflower
- lobelia siphilitica
- lithophragma affine
- lip synchronization
- lip synchronisation
- liberation theology
- lathyrus latifolius
- korsakov's psychosis
- klyuchevskaya sopka
- karl theodor jaspers
- kalashnikov culture
- josiah willard gibbs
- joseph paul dimaggio
- joint chiefs of staff
- john philip marquand
- john howard northrop
- john griffith chaney
- john barrington wain
- jerusalem artichoke
- jatropha stimulosus
- james thomas farrell
- james francis thorpe
- james butler hickock
- jamaica honeysuckle
- italian honeysuckle
- islets of langerhans
- ipomoea leptophylla
- ion-exchange polymer
- international pitch
- intermediate shroud
- inorganic phosphate
- inorganic chemistry
- in your birthday suit
- in the adjacent house
- in one's birthday suit
- idiopathic disorder
- idiographic science
- hysterical neurosis
- hypsiglena torquata
- hypoplastic anaemia
- hypophosphoric acid
- hypoglycaemic agent
- hypochromic anaemia
- hyperfocal distance
- hyperchromic anemia
- hynerpeton bassetti
- hygrophorus russula
- hydroxybutyric acid
- hydroxybenzoic acid
- hydromantes shastae
- hyalophora cecropia
- huntington's disease
- hundred-and-fortieth
- human palaeontology
- human genome project
- howard robard hughes
- hottentot bread vine
- horseshoe whipsnake
- horse chestnut cream
- horizontal parallax
- hooded pitcher plant
- honorable discharge
- homo sapiens sapiens
- homecourt advantage
- hokkianese language
- hindu kush mountains
- hindostani language
- hieracium pilocella
- heterotheca villosa
- heterosexual person
- heterophil antibody
- hesperis matronalis
- herringbone pattern
- herbert clark hoover
- henry viii of england
- henry oscar houghton
- helicobacter pylori
- hedeoma pulegioides
- heavyweight torpedo
- heat of dissociation
- heat of condensation
- have the distinction
- harold hirschsprung
- haplopappus acaulis
- halocarpus bidwilli
- halicoeres radiatus
- haemorrhagic stroke
- haematobia irritans
- habenaria peramoena
- habenaria albiflora
- group psychotherapy
- grievous bodily harm
- greater whitethroat
- great saphenous vein
- grand duchy of moscow
- gothic architecture
- glechoma hederaceae
- giannangelo braschi
- giacomo della chiesa
- geothermal industry
- george paget thomson
- genus zinjanthropus
- genus thysanocarpus
- genus stephanomeria
- genus sphaerocarpus
- genus sphaerocarpos
- genus sphacelotheca
- genus schizophragma
- genus schizopetalon
- genus scaphosepalum
- genus sarcorhamphus
- genus sarcocephalus
- genus pleurothallis
- genus pleurobrachia
- genus plectrophenax
- genus phascolarctos
- genus paracheirodon
- genus paphiopedilum
- genus notophthalmus
- genus malacothamnus
- genus macrocephalon
- genus lepidothamnus
- genus ichthyosaurus
- genus hyracotherium
- genus hylactophryne
- genus hyacinthoides
- genus halimodendron
- genus graptophyllum
- genus gasterophilus
- genus entomophthora
- genus dracocephalum
- genus ctenocephalus
- genus corythosaurus
- genus compsognathus
- genus chrysothamnus
- genus chrysobalanus
- genus chronoperates
- genus chorizagrotis
- genus chlamydomonas
- genus chirocephalus
- genus ceratotherium
- genus ceratophyllum
- genus cephalopterus
- genus calycophyllum
- genus aulacorhyncus
- genus argyroxiphium
- genus arctocephalus
- genus archidiskidon
- genus anoectochilus
- genus acanthocybium
- genus acanthocereus
- gentiana holopetala
- gadus macrocephalus
- full phase of the moon
- fuchsia excorticata
- front-porch campaign
- frankfurt on the main
- fragaria chiloensis
- fourth earl of orford
- ford hermann hueffer
- florida smoothhound
- first earl of chatham
- fine-art photography
- fictional character
- fast of the firstborn
- family trionychidae
- family rhizobiaceae
- family rhiptoglossa
- family rhinobatidae
- family relationship
- family phalaropidae
- family orchestiidae
- family nephropsidae
- family musophagidae
- family microhylidae
- family hypoxidaceae
- family hypocreaceae
- family hydrobatidae
- family holothuridae
- family hemerobiidae
- family haloragaceae
- family colchicaceae
- family chironomidae
- family cetorhinidae
- family cephalobidae
- experimental method
- exothermic reaction
- exophthalmic goiter
- european white birch
- european water shrew
- european bird cherry
- euphorbia corollata
- euclid's fourth axiom
- eucalyptus camphora
- ethyl aminobenzoate
- esther hobart morris
- erythronium albidum
- erythema multiforme
- eriophyllum lanatum
- epistle to the romans
- english hippocrates
- endothelial myeloma
- emu novaehollandiae
- elymus trachycaulos
- eighter from decatur
- eichhornia spesiosa
- edwin of northumbria
- edwin dubois hayward
- edward the confessor
- eastern hop hornbeam
- eastern catholicism
- dwarf chinquapin oak
- dorothy leigh sayers
- donald arthur glaser
- doctor of humanities
- division rhodophyta
- division phaeophyta
- division cyanophyta
- disorderly behavior
- director of research
- digital photography
- dichondra micrantha
- dianthus latifolius
- depreciation charge
- dental orthopaedics
- cytophilic antibody
- cystophora cristata
- coryphaena hippurus
- corporal punishment
- coronary thrombosis
- cordia gerascanthus
- conversion hysteria
- contract of adhesion
- constructive breach
- computed tomography
- common yellowthroat
- common staghorn fern
- common pitcher plant
- colchicum autumnale
- colaptes chrysoides
- closed-heart surgery
- clinical psychology
- clianthus speciosus
- clematis ochreleuca
- classical philology
- classical mythology
- class xanthophyceae
- class hymenomycetes
- class holothuroidea
- class hepaticopsida
- class ginkgophytina
- class cryptophyceae
- class chrysophyceae
- class chlorophyceae
- cinnamomum camphora
- cinchona ledgeriana
- cinchona lancifolia
- cinchona cordifolia
- chrysophrys auratus
- chrysobalanus icaco
- christian schonbein
- choriotis australis
- choloepus hoffmanni
- chinese scholartree
- chinese scholar tree
- chinese parasol tree
- chilean flameflower
- chenopodium glaucum
- chelifer cancroides
- cheilanthes eatonii
- chattahoochee river
- charronia flavigula
- charles william post
- charles vii of france
- charles joseph clark
- charles ii of england
- charles henry harrod
- charles digby harrod
- chamaemelum nobilis
- chairman of the board
- chaenopsis ocellata
- cerebral thrombosis
- cerebral hemorrhage
- ceratotherium simum
- catherine i of russia
- catharanthus roseus
- castilleja chromosa
- cardioid microphone
- cardigan welsh corgi
- caranx bartholomaei
- calochortus elegans
- calochortus amoenus
- callorhinus ursinus
- california white fir
- bursera microphylla
- bulbourethral gland
- buchloe dactyloides
- brush-tail porcupine
- browning machine gun
- bronchoscopic smear
- bronchial pneumonia
- british labour party
- breech presentation
- bougainville trench
- born-again christian
- book binding machine
- bone-headed dinosaur
- body plethysmograph
- blow molding machine
- bidens trichosperma
- beckman thermometer
- battle of port arthur
- battle of bunker hill
- bartolomeo eustachi
- bartholomew roberts
- barnaba chiaramonti
- barbados maidenhair
- barack hussein obama
- bank holding company
- bachelor of theology
- bachelor of divinity
- automobile mechanic
- astroloma humifusum
- associative aphasia
- asian horseshoe crab
- ascophyllum nodosum
- arthur james balfour
- arteria ophthalmica
- arteria ethmoidalis
- army of the righteous
- aristolochia durior
- aristarchus of samos
- arches national park
- apothecaries' weight
- anticipatory breach
- anointing of the sick
- anion-exchange resin
- angoumois grain moth
- anarchist communism
- amorpha californica
- aluminium hydroxide
- alsophila pometaria
- alice-josephine pons
- alexander prokhorov
- aleksandr prokhorov
- aleksandr pavlovich
- alcohol thermometer
- alan mathison turing
- agonus cataphractus
- agelaius phoeniceus
- age of enlightenment
- adlerian psychology
- acoustic phenomenon
- acentric chromosome
- acacia xanthophloea
- abnormal psychology
- abdominal breathing
