9-letter words containing r, a, d, i, o
- big board — the quotation board in the New York Stock Exchange
- billboard — A billboard is a very large board on which posters are displayed.
- biohazard — material of biological origin that is hazardous to humans
- boardlike — resembling a board
- boat ride — a ride in a boat
- body hair — hair that grows on the body as opposed to the head or face
- bordelais — a wine-growing region in SW France, in Gironde.
- bouvardia — a genus of flowering herbs and shrubs of the family Rubiaceae, native to tropical parts of Central America
- brainfood — any foodstuff containing nutrients thought to promote brain function, such as oily fish which is rich in omega-3 oils
- briarwood — any of several woods used to make tobacco pipes
- broadbill — any passerine bird of the family Eurylaimidae, of tropical Africa and Asia, having bright plumage and a short wide bill
- broadbrim — a broad-brimmed hat, esp one worn by the Quakers in the 17th century
- broadline — a company that deals in high volume at the cheaper end of a product line
- broadside — A broadside is a strong written or spoken attack on a person or institution.
- broadtail — the highly valued black wavy fur obtained from the skins of newly born karakul lambs; caracul
- broadwife — a female slave whose husband was owned by another master.
- broadwise — breadthwise
- bromeliad — any plant of the tropical American family Bromeliaceae, typically epiphytes with a rosette of fleshy leaves. The family includes the pineapple and Spanish moss
- caprioled — Simple past tense and past participle of capriole.
- car radio — a radio built into the dashboard of an automobile
- carangoid — resembling a fish of the family Carangidae; carangid.
- carcinoid — a small serotonin-secreting tumour, usually slow-growing and occurring in the gastrointestinal tract, although it may spread to the liver
- caudiform — (zoology) Resembling a tail.
- chancroid — a soft venereal ulcer, esp of the male genitals, caused by infection with the bacillus Haemophilus ducreyi
- chipboard — Chipboard is a hard material made out of very small pieces of wood which have been pressed together. It is often used for making doors and furniture.
- choroidal — relating to the choroid
- chowkidar — (in India) a watchman or gatekeeper.
- chromatid — either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase
- chromidia — chromatins in cell cytoplasm
- 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.
- colubriad — a poem about a snake
- concordia — the ancient Roman goddess of harmony or peace.
- 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).
- 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.
- dado rail — a moulding at about waist height on an interior wall, used for decoration and to protect the wall
- dairy cow — a cow which is used to produce milk
- damourite — (mineral) A kind of muscovite, or potash mica, containing water.
- darnation — Alternative form of tarnation.
- debonaire — charming and sophisticated