16-Letter Words Starting: O
There are 82 16-letter words,
144 16-letter phrases and
0 16-letter abbr's that start with
O.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 16. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 16 Letter Words
Words (82)
- overcomplicating
- overcompensation
- ostentatiousness
- overenthusiastic
- ophthalmological
- oxytetracyclines
- oxyphenbutazones
- overutilizations
- oversubscription
- overstimulations
- overspeculations
- overspecializing
- overproportioned
- overprescription
- overorchestrates
- overorchestrated
- overindebtedness
- overhomogenizing
- overgenerosities
- overgeneralizing
- overexpectations
- overexaggeration
- overexaggerating
- overembellishing
- overelaborations
- overdevelopments
- overcultivations
- overconsumptions
- overconstructing
- overconservative
- overcompensatory
- overcompensating
- overcommunicates
- overcommunicated
- overcentralizing
- overcapitalizing
- overarticulating
- overapplications
- overachievements
- overaccentuating
- outrageousnesses
- outlandishnesses
- outdoorsmanships
- otolaryngologies
- osteoarthritides
- orthopsychiatric
- orthographically
- orthogenetically
- ornithologically
- organophosphorus
- organophosphates
- organomercurials
- organoleptically
- oppressivenesses
- opinionativeness
- ophthalmoscopies
- ophthalmologists
- operationalistic
- openhandednesses
- onomatopoeically
- oligosaccharides
- oligonucleotides
- oligomerizations
- oligodendroglias
- oligodendroglial
- oligodendrocytes
- oleaginousnesses
- obstructionistic
- obsequiousnesses
- objectlessnesses
- objectifications
- oxyphencyclimine
- overexploitation
- otolaryngologist
- otherworldliness
- oscillatoriaceae
- organizationally
- opisthognathidae
- one-quintillionth
- one-quadrillionth
- old-fashionedness
- obstreperousness
Phrases (144)
- ovis montana dalli
- out of the ordinary
- ottorino respighi
- oscar hammerstein
- origanum majorana
- ordovician period
- order tremellales
- order stomatopoda
- order sphaeriales
- order spatangoida
- order proboscidea
- order polygonales
- order of magnitude
- order lepidoptera
- order hypocreales
- order gymnophiona
- order galliformes
- order exocycloida
- order apodiformes
- oral presentation
- operating expense
- one after the other
- ondatra zibethica
- old latin language
- official immunity
- official emissary
- off the beaten path
- odobenus rosmarus
- octadecanoic acid
- ochotona princeps
- obstructive shock
- oxford university
- oxalis acetosella
- overstuffed chair
- overseas telegram
- overland campaign
- overexert oneself
- over and over again
- ovarian pregnancy
- out of the question
- our lady's bedstraw
- otto robert frisch
- ostrya virginiana
- osseous labyrinth
- osmerus eperlanus
- osculating circle
- orthopedic insole
- ormosia coarctata
- oriental scops owl
- organic structure
- organic evolution
- organic chemistry
- oregon holly grape
- order trichoptera
- order thecodontia
- order testudinata
- order scorpionida
- order scleroparei
- order pycnogonida
- order pterosauria
- order platyctenea
- order phasmatodea
- order percomorphi
- order perciformes
- order papaverales
- order monotremata
- order marsupialia
- order marattiales
- order juglandales
- order isospondyli
- order insectivora
- order hypericales
- order hymenoptera
- order gregarinida
- order gentianales
- order gaviiformes
- order eurypterida
- order erysiphales
- order equisetales
- order dictyoptera
- order corrodentia
- order cordaitales
- order coniferales
- order belemnoidea
- order aplacophora
- order andreaeales
- order anacanthini
- orchard apple tree
- orbignya spesiosa
- orbignya martiana
- orb-weaving spider
- orange volunteers
- orange sneezeweed
- orange peel fungus
- optical telescope
- optical telegraph
- optical pyrometer
- optical condenser
- ophthalmic artery
- operating theatre
- operating theater
- operating surgeon
- operating capital
- open-heart surgery
- open-face sandwich
- onondaga language
- onion yellow dwarf
- one-ten-thousandth
- one one's coattails
- one hundred twenty
- one hundred thirty
- one hundred ninety
- one hundred eighty
- oncorhynchus keta
- olive-drab uniform
- olecranon process
- olea cunninghamii
- old-man-of-the-woods
- old-field toadflax
- old world scops owl
- old world crayfish
- old style calendar
- old saxon language
- old norse language
- old irish language
- old dominion state
- oil-hardened steel
- oil of wintergreen
- official document
- off-line operation
- off-line equipment
- off-axis reflector
- oesophageal veins
- oenothera biennis
- oenanthe aquatica
- oecanthus fultoni
- odontaspis taurus
- ocyurus chrysurus
- ochotona collaris
- observation tower
- obligate anaerobe
- oblanceolate leaf
- oat cell carcinoma
- oakleaf goosefoot