7-letter words containing a, o, n
- cooncan — a card game for two players, similar to rummy
- copehan — Wintun.
- copland — Aaron. 1900–90, US composer of orchestral and chamber music, ballets, and film music
- coquina — a soft limestone consisting of shells, corals, etc, that occurs in parts of the US
- coranto — courante
- corazon — the heart.
- corbans — Plural form of corban.
- corbina — a marine food fish, Menticirrhus undulatus, found in Pacific waters off Mexico and California
- cornage — a type of rent fixed according to the number of horned cattle pastured
- corneal — Corneal means relating to the cornea.
- corneas — Plural form of cornea.
- cornual — a horn, especially a bony part that resembles a horn.
- coronal — a circlet for the head; crown
- cortina — the weblike part of certain mushrooms, which hangs from the edge of the pileus and consists of silky fibrils
- cortona — a town in central Italy, in Tuscany: Roman and Etruscan remains, 15th-century cathedral. Pop: 22 048 (2001)
- corunna — La Coruña
- corvina — a marine food fish, Menticirrhus undulatus, found in Pacific waters off Mexico and California
- cosenza — a city in S Italy, in Calabria. Pop: 72 998 (2001)
- costain — Thomas Bertram, 1885–1965, U.S. novelist, historian, and editor, born in Canada.
- costean — to mine for lodes
- cotinga — any tropical American passerine bird of the family Cotingidae, such as the umbrella bird and the cock-of-the-rock, having a broad slightly hooked bill
- cotland — the grounds that belonged to a cotter and which amounted to around 5 acres
- courant — a courante
- courlan — limpkin
- cowbane — any of several N temperate poisonous umbelliferous marsh plants of the genus Cicuta, esp C. virosa, having clusters of small white flowers
- cowhand — a hired man who herds and tends cattle, usually on horseback, esp in the western US
- crampon — Crampons are metal plates with spikes underneath which mountain climbers fasten to the bottom of their boots, especially when there is snow or ice, in order to make climbing easier.
- cranio- — indicating the cranium or cranial
- crannog — an ancient Celtic lake or bog dwelling dating from the late Bronze Age to the 16th century ad, often fortified and used as a refuge
- cratons — Plural form of craton.
- crayons — Plural form of crayon.
- cremona — a city in N Italy, in Lombardy on the River Po: noted for the manufacture of fine violins in the 16th–18th centuries. Pop: 70 887 (2001)
- crontab — (computing, Unix) A table of commands to be executed periodically.
- dacryon — the point of junction of the maxillary, lacrimal, and frontal bones.
- daemons — Plural form of daemon.
- daikons — Plural form of daikon.
- daimons — Plural form of daimon.
- dakotan — of or relating to Dakota or its inhabitants
- dalapon — a herbicide used to kill perennial grasses
- daltons — Plural form of dalton.
- damsons — Plural form of damson.
- danazol — a synthetic male hormone, similar to testosterone, used in the treatment of endometriosis
- dandolo — Enrico.c. 1108–1205, Venetian statesman; doge (1192–1205). During the fourth Crusade he won Greek colonies for Venice
- dandong — a port in E China, in Liaoning province at the mouth of the Yalu River. Pop: 730 000 (2005 est)
- dapsone — an antimicrobial drug used to treat leprosy and certain types of dermatitis. Formula: C12H12N2O2S
- dawn on — If a fact or idea dawns on you, you realize it.
- day one — If something happens from day one of a process, it happens right from the beginning. If it happens on day one, it happens right at the beginning.
- daylong — Daylong is used to describe an event or activity that lasts for the whole of one day.
- deacons — Plural form of deacon.
- dead on — exactly right