List of 9-letter words ending with

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There are 18 nine-letter words ending with ONOUS

carbonous — adj. Of, relating to, or containing carbon.
consonous — adj. (Archaic) concordant in sound; harmonious.
cottonous — adj. Resembling cotton.
epigonous — adj. Following and modelling after another thing.
euphonous — adj. Synonym of euphonious.
oxytonous — adj. Oxytonic.
plutonous — adj. (Inorganic chemistry) Containing plutonium in a low oxidation state.
poisonous — adj. Containing sufficient poison to be dangerous to touch or ingest. — adj. (Figuratively) Negative, harmful.
prisonous — adj. (Obsolete) Resembling or characteristic of a prison.
reasonous — adj. (Rare, nonstandard) Synonym of reasonable.
siphonous — adj. (Biology, of algae) Having tubular filaments.
syntonous — adj. Having the same frequency; syntonic.
tendonous — adj. Alternative form of tendinous.
trigonous — adj. Trigonal.
tritonous — adj. Having or involving three tones; tritonal.
unisonous — adj. Being in unison; unisonant.
weaponous — adj. (Nonstandard, rare) Like a weapon.
zoogonous — adj. (Zoology) That gives birth to live offspring (rather than laying eggs). — adj. (Botany, of seeds or fruit) That sprout before they fall.

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