Letter: c
- cygnet, baby bird, bird, bird of night, bird of passage, bird of prey, birdie, cage bird, chick, diving bird, dove, eagle, eaglet, fish-eating bird, fledgling, flightless bird
- cylinder head, accelerator, auto, engine, generator, muffler, parts
- cylinder, accelerator, auto, barrel, bole, cask, column, drum, engine, generator, gun, muffler, parts, pillar, pipe, roll
- cylindrical coordinates, altitude, azimuth, coordinates, declination, latitude, longitude
- cylindrical projection, atlas, cartography, chart, globe, index, latitude, legend, longitude, map, map maker, meridian, parallel, projection, road map, scale
- cymbals, battery, bell, bones, castanets, celesta, chime, clappers, glockenspiel, gong, maraca, marimba, percussion, percussive, rattle, sizzler
- cynic, Cassandra, backbiter, belittler, calamity howler, calumniator, caustic critic, debunker, decrier, defamer, defeatist, deflater, detractor, disparager, hatchet man, killjoy
- cynical, antisocial, captious, carping, caustic, cavilling, critical, defeatist, dismal, downbeat, dry, fault-finding, gloomy, hair-splitting, hypercritical, ironic
- cynicism, causticity, defeatism, dismalness, gloominess, gloomy outlook, innuendo, invective, irony, misanthropy, negativism, nihilism, pessimism, sarcasm, satire, satiric wit
- cynosure, North Star, acme, adductor, apotheosis, attractant, beau ideal, best type, big name, celebrity, centre, centre of attraction, centre of consciousness, centre of interest, constellation, ego ideal
- cypress, black, ebony, mourning, oak, sackcloth and ashes, tree, wood
- cyst, benign tumour, boil, bump, bunion, callosity, callus, cancer, carbuncle, carcinoma, corn, dilatation, dilation, distension, excrescence, fungus
- cystitis, appendicitis, bronchitis, bunion, colitis, encephalitis, enteritis, gastritis, gingivitis, gout, hepatitis, inflammation, laryngitis, lumbago, meningitis, myelitis
- cytologist, biologist, botanist, naturalist, zoologist
- cytology, anatomy, bacteriology, biochemistry, biological science, biology, biometrics, biometry, bionics, biophysics, botany, cell physiology, cybernetics, ecology, embryology, enzymology
- cytoplasm, animal cell, cell, cellular tissue, corpuscle, ectoplasm, germ cell, plant cell, protoplasm, reticulum, somatic cell, trophoplasm
- czar, Kaiser, Pharaoh, absolute monarch, absolute ruler, all-powerful ruler, autocrat, commissar, despot, dictator, disciplinarian, driver, hard master, khan, martinet, mikado
- czarism, absolutism, despotism, dictatorship, monarchy, tyranny
