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9-Letter Words Starting O & Ending ON

There are 24 9 letter words, 4 9 letter phrases and 0 9 letter abbr's starting with 'O' and ending with 'ON'.

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WordSaveLengthUsagePointsType
objection9
20 nounn
noun

• the act of expressing earnest opposition or protest

• the speech act of objecting

• the act of protesting; a public (often organized) manifestation of dissent

• (law) a procedure whereby a party to a suit says that a particular line of questioning or a particular witness or a piece of evidence or other matter is improper and should not be continued and asks the court to rule on its impropriety or illegality

ozonation9
18 verb, nounv, n
Valid word for Scrabble US
oxidation9
17 verb, nounv, n
noun

• the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction

outreckon9
15 verbv
Valid word for Scrabble US
olfaction9
14 nounn
noun

• the faculty that enables us to distinguish scents

obversion9
14 nounn
Valid word for Scrabble US
obviation9
14 nounn
noun

• the act of preventing something by anticipating and disposing of it effectively

occlusion9
13 nounn
noun

• closure or blockage (as of a blood vessel)

• (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft

• (dentistry) the normal spatial relation of the teeth when the jaws are closed

• an obstruction in a pipe or tube

• the act of blocking

ovulation9
12 nounn
noun

• the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)

operation9
11 nounn
noun

• the state of being in effect or being operative

• a business especially one run on a large scale

• a planned activity involving many people performing various actions

• (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)

• activity by a military or naval force (as a maneuver or campaign)

• a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body

• a process or series of acts especially of a practical or mechanical nature involved in a particular form of work

• process or manner of functioning or operating

• (psychology) the performance of some composite cognitive activity; an operation that affects mental contents

• (mathematics) calculation by mathematical methods

• the activity of operating something (a machine or business etc.)

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Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 9 Letter Words

Words (24)
Phrases (4)
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United Kingdom
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