6-letter words containing r, i, o
- chowri — a fly-whisk made from the tail of the yak
- cicero — a measure for type that is somewhat larger than the pica
- cirro- — indicating cirrus or cirri
- citron — a small Asian rutaceous tree, Citrus medica, having lemon-like fruit with a thick aromatic rind
- cloris — a male or female given name.
- cobric — relating to a poisonous substance in cobra venom
- cofire — Alternative spelling of co-fire.
- coheir — a person who inherits jointly with others
- coiner — A person who coins money, in particular a maker of counterfeit coins.
- copier — A copier is a machine which makes exact copies of writing or pictures on paper, usually by a photographic process.
- coraji — boyla.
- corbie — a crow or raven
- corbin — Margaret (Cochran) 1751–1800, American Revolutionary military heroine.
- cordis — (in prescriptions) of the heart.
- coreid — (zoology) Any member of the Coreidae.
- corgis — Plural form of corgi.
- coring — Coring is taking a cylindrical sample of a reservoir using a special drill bit and barrel.
- corita — a boat resembling a large, woven basket, used by Indians of the southwestern U.S.
- corium — the deep inner layer of the skin, beneath the epidermis, containing connective tissue, blood vessels, and fat
- corkir — a lichen from which red or purple dye is made
- cornin — (organic compound) A bitter principle obtained from dogwood (Cornus florida), as a white crystalline substance; cornic acid.
- correi — Plural form of correus.
- corrie — a round hollow in a hillside
- corrin — (chemistry) a molecular species that contains four reduced pyrrole rings joined in a macrocycle by three -CH= groups and one direct bond; central to the cobalt containing vitamin cobalamin.
- cortin — an adrenal cortex extract containing cortisone and other hormones
- corvid — a member of the passerine bird family Corvidae, which includes the crows, magpies, and jays, and the raven, rook, and jackdaw
- corwin — Norman (Lewis) 1910–2011, U.S. radio and stage dramatist and novelist.
- cosier — a cobbler
- courie — to nestle or snuggle
- cowrie — any marine gastropod mollusc of the mostly tropical family Cypraeidae, having a glossy brightly marked shell with an elongated opening
- cozier — a cobbler
- crojik — a triangular sail
- cronic — very potent marijuana.
- cronin — A(rchibald) J(oseph). 1896–1981, British novelist and physician. His works include Hatter's Castle (1931), The Judas Tree (1961), and Dr Finlay's Casebook, a TV series based on his medical experiences
- curios — any unusual article, object of art, etc., valued as a curiosity.
- devoir — duty; obligation
- dinero — a former silver coin of Peru, the 10th part of a sol.
- disord — (obsolete) disorder.
- distro — A distributor or distributed version, especially of Linux software or of webzines.
- diuron — a white crystalline substance, C 9 H 10 Cl 2 N 2 O, used as a weed-killer.
- dogrib — a member of a Dene Native Canadian people of northern Canada
- donair — (Canada) A Nova Scotian variant of the doner kebab, including breadcrumbs and spices, and served with a sweet sauce made from evaporated milk, sugar, vinegar, and garlic.
- dopier — Comparative form of dopy.
- dorati — Antal [ahn-tahl;; Hungarian on-tol] /ˈɑn tɑl;; Hungarian ˈɒn tɒl/ (Show IPA), 1906–1988, Hungarian conductor, in the U.S.
- dorian — of or relating to the ancient Greek region of Doris or to the Dorians.
- dories — Plural form of dory.
- dorize — to become Doric in manner or style
- dormie — (of a player or side in match play) being in the lead by as many holes as are still to be played.
- dormin — abscisic acid.
- dorsi- — of, on, or along the back