9-letter words containing a, c, o, i
- callosity — hardheartedness
- calorific — The calorific value of something, or its calorific content, is the number of calories it contains.
- camarillo — a city in SW California.
- cambiform — resembling a cambium
- cambodian — of or relating to Cambodia or its inhabitants
- camisoles — Plural form of camisole.
- campesino — a Latin American rural peasant
- campodeid — any of various primitive and wingless insects of the genus Campodea
- cannonier — Alternative form of cannoneer.
- cannoning — Present participle of cannon.
- cannoting — cannot but, have no alternative but to: We cannot but choose otherwise.
- canoeists — Plural form of canoeist.
- canonical — If something has canonical status, it is accepted as having all the qualities that a thing of its kind should have.
- canonicus — c1565–1647, Narragansett leader: yielded Rhode Island to Roger Williams 1636.
- canonised — Ecclesiastical. to place in the canon of saints.
- canonized — Made part of the canon, made official.
- canonizer — a person who canonizes
- canonizes — Third-person singular simple present indicative form of canonize.
- canonries — Plural form of canonry.
- canonship — the position or office of canon; canonry.
- canopying — The activity of going through the canopy of a forest on a zipline.
- cantillon — Richard [ree-shar;; English rich-erd] /riˈʃar;; English ˈrɪtʃ ərd/ (Show IPA), c1680–1734, French economist, born in Ireland.
- cantoning — Present participle of canton.
- cantonise — divide into cantons
- cantonize — to divide into cantons
- cantorial — of or relating to a precentor
- canyoning — the sport of travelling down a river situated in a canyon by a variety of means including scrambling, floating, swimming, and abseiling
- capacious — Something that is capacious has a lot of space to put things in.
- capacitor — A capacitor is a device for accumulating electric charge.
- caparison — a decorated covering for a horse or other animal, esp (formerly) for a warhorse
- capocchia — a fool
- caponized — Simple past tense and past participle of caponize.
- capriccio — a lively piece composed freely and without adhering to the rules for any specific musical form
- capricorn — Capricorn is one of the twelve signs of the zodiac. Its symbol is a goat. People who are born approximately between the 22nd of December and the 19th of January come under this sign.
- caprifole — honeysuckle
- capriform — resembling a goat
- caprioled — Simple past tense and past participle of capriole.
- caprioles — Plural form of capriole.
- captioned — Simple past tense and past participle of caption.
- captopril — an ACE inhibitor used to treat high blood pressure and congestive heart failure
- car radio — a radio built into the dashboard of an automobile
- carangoid — resembling a fish of the family Carangidae; carangid.
- carbamino — relating to the compound produced when carbon dioxide reacts with an amino group
- carbanion — a negatively charged organic ion in which most of the negative charge is localized on a carbon atom
- carbolise — phenolate (def 2).
- carbolize — to treat or sterilize with phenol
- carbonari — a secret political society with liberal republican aims, originating in S Italy about 1811 and particularly engaged in the struggle for Italian unification
- carbonise — Non-Oxford British standard spelling of carbonize.
- carbonite — An explosive manufactured from a variety of materials, including nitroglycerine, wood meal and nitrates.
- carbonium — a transient, positively charged organic ion, as H3C+, R3+, that has one less electron than the corresponding free radical