9-letter words containing a, d, i, o
- clipboard — A clipboard is a board with a clip at the top. It is used to hold together pieces of paper that you need to carry around, and provides a firm base for writing.
- coalfield — A coalfield is a region where there is coal under the ground.
- coccoidal — relating to a coccus
- cogitated — Simple past tense and past participle of cogitate.
- cohabited — to live together as if married, usually without legal or religious sanction.
- colloidal — of, denoting, or having the character of a colloid
- colubriad — a poem about a snake
- comatulid — any of a group of crinoid echinoderms, including the feather stars, in which the adults are free-swimming
- comedians — Plural form of comedian.
- comedical — of, relating to, or of the nature of comedy.
- companied — Simple past tense and past participle of company.
- compendia — a brief treatment or account of a subject, especially an extensive subject; concise treatise: a compendium of medicine.
- concordia — the ancient Roman goddess of harmony or peace.
- condillac — Étienne Bonnot de (etjɛn bɔno də). 1715–80, French philosopher. He developed Locke's view that all knowledge derives from the senses in his Traité des sensations (1754)
- confidant — Someone's confidant is a man who they are able to discuss their private problems with.
- conrad ii — c990–1039, king of Germany 1024–39 and emperor of the Holy Roman Empire 1027–39.
- conrad iv — 1228–54, king of Germany 1237–54 and Sicily 1251–54; uncrowned emperor of the Holy Roman Empire (son of Frederick II).
- contadina — (in Italy) a female farmer or peasant
- contadino — (in Italy) a male farmer or peasant
- contained — kept from going beyond certain limits; confined
- coordinal — (of animals or plants) belonging to the same order
- coralloid — of or resembling coral
- cordially — courteous and gracious; friendly; warm: a cordial reception.
- coriander — Coriander is a plant with seeds that are used as a spice and leaves that are used as a herb.
- cornbraid — to braid (hair) in close parallel rows, creating a hairstyle known as a corn row
- corrading — Present participle of corrade.
- cortadito — an espresso topped with an approximately equal amount of steamed milk.
- corydalis — any erect or climbing plant of the N temperate genus Corydalis, having finely-lobed leaves and spurred yellow or pinkish flowers: family Fumariaceae
- cowardice — Cowardice is cowardly behaviour.
- cowardise — Obsolete spelling of cowardice.
- crinoidal — (zoology) Relating to, consisting of, or containing crinoids.
- custodial — Custodial means relating to keeping people in prison.
- custodian — The custodian of an official building, a companies' assets, or something else valuable is the person who is officially in charge of it.
- cycadeoid — a member of an order of plants with woody stems and tough leaves that became extinct during the Cretaceous period
- cycloidal — Pertaining to or resembling a cycloid; or a circle.
- cytocidal — capable of killing cells.
- d'amboise — Jacques [French zhahk] /French ʒɑk/ (Show IPA), (Joseph) born 1934, U.S. ballet dancer and choreographer.
- dacoitage — (in India and Myanmar) a robbery by an armed gang or dacoit
- dacquoise — a cake with nut meringue layers and buttercream
- dado rail — a moulding at about waist height on an interior wall, used for decoration and to protect the wall
- daedalion — a son of Lucifer who, despondent over the death of his daughter Chione, leaped off Parnassus: Apollo changed him into a hawk.
- daemonian — demonian.
- daemonize — Demonize.
- daffodils — Plural form of daffodil.
- dairy cow — a cow which is used to produce milk
- dalhousie — 9th Earl of, title of George Ramsay. 1770–1838, British general; governor of the British colonies in Canada (1819–28)
- daltonian — relating to John Dalton or his atomic theory
- daltonism — colour blindness, esp the confusion of red and green
- damnation — According to some religions, if someone suffers damnation, they have to stay in hell for ever after they have died because of their sins.
- damourite — (mineral) A kind of muscovite, or potash mica, containing water.