C
candid, sincere, familiar, and ingenuous
captious, petulant, peevish, and splenetic [captious = point out trivial faults]
cautious, discreet, considerate, and provident
certain, confident, positive, and unquestionable
chagrin, vexation, irritation, and mortification
character, disposition, temperament, and reputation
charm, fascinate, bewitch, and captivate
cheap, inexpensive, inferior, and common
cheer, animate, vivify, and exhilarate [vivify = bring life to]
chiefly, particularly, principally, and especially
childhood, youth, manhood, and age
circumstance, condition, environment, and surroundings
claim, grab, trick, and compel
clean, fastidious, frugal, and refined
clear, distinct, obvious, and intelligible
clumsy, crawling, snobbish, and comfort-loving
coarse, gross, offensive, and nauseous
coax, flatter, wheedle, and persuade
cogitate, contemplate, meditate, and ponder
cold, frigid, unfeeling, and stoical
commanding, authoritative, imperative, and peremptory [peremptory = ending all debate or action]
compassion, goodwill, admiration, and enthusiasm
confirm, establish, sustain, and strengthen
conform, submit, obey, and satisfy
confuse, distort, involve, and misinterpret
consistent, congruous, firm, and harmonious
cool, collected, calm, and self-possessed
copious, commanding, sonorous, and emotional
cowardly, timid, shrinking, and timorous
crazy, absurd, nonsensical, and preposterous
crude, rough, jagged, and pitiless