This section is from the book "Hill's Manual Of Social And Business Forms: A Guide To Correct Writing", by Thos. E. Hill. Also available from Amazon: Hill's Manual Of Social And Business Forms: The How-To-Do-Everything Book Of Victorian America.
Chide - scold, rebuke, reprove, reprimand.
Chiefly - mainly, principally, particularly, especially.
Childish - simple, puerile, trifling. Childhood - infancy, minority. Children - offspring, issue, progeny. Choke - stifle, smother, suffocate.
Choice - selection, election, option.
Choose - prefer, select, pick, elect.
Circulate - spread, pass, diffuse, propagate.
Circumscribe - limit, confine, enclose, bound.
Circumstance - event, incident, state, situation, condition.
Circumspect - watchful, wary, cautious, particular, vigilant, prudent.
Circumstantial - minute, particular, incidental, accidental.
Civil - obliging, polite, affable, courteous, complaisant, polished, well-bred.
Civilization - refinement, culture.
Claim - demand, pretension, right.
Clandestine - secret, hidden, private.
Class - division, order, degree, rank.
Cleansing - purifying, purging, cleaning.
Clear - free, pure, acquit, absolve, discharge, satisfy, vindicate, ap-parent, evident, obvious.
Clearly - distinctly, lucidly, plainly, manifestly, obviously, visibly.
Clemency - mercy, mildness, lenity, kindness.
Clever - adroit, skillful, ready, expert. Climb - mount, scale, ascend.
Cling - stick, hold, cleave, clasp, hang.
Close - shut, firm, compact, concise, confined, near.
Clothes - raiment, garments, covering, attire, habiliments, apparel.
Clouded - obscured, variegated, dark, gloomy, overcast, sullen.
Clumsy - awkward, unhandy, uncouth, bungling.
Coadjutor - assistant, colleague, ally.
Coalition - conspiracy, league, union, combination.
Coarse - gross, inelegant, rough, rude, vulgar, unrefined.
Coax - flatter, wheedle, fawn, cajole.
Coerce - force, compel, restrain.
Cognomen - name, appellation, denomination.
Coherent - consistent, adhesive, tenacious.
Coincide - harmonize, agree, concur.
Cold - reserved, chill, frigid, shy, unaffecting.
Colleague - ally, associate, partner, coadjutor.
Collected - calm, placid, unruffled, composed, gathered.
Collection - gathering, contribution, assemblage, group.
Colloquy - dialogue, conference, talk.
Color - dye, hue, tint, paint, tinge.
Combination - union, league, coalition, conspiracy, alliance, confederacy.
Comely - graceful, handsome, agreeable.
Comfort - solace, console, encourage, enliven.
Comfortless - wretched, desolate, forlorn.
Comic - funny, ludicrous, ridiculous, laughable.
Command - direction, behest, precept, order, injunction.
Commanding - dictatorial, imperative, authoritative, imperious.
Commence - undertake, originate, begin.
Commend - praise, recommend, extol, applaud, approve, laud.
Commensurate--sufficient, adequate, equal, proportionate.
Commiseration - feeling for, pity, compassion, sympathy, condolence.
Commission - authorize, enable, empower.
Commodious - fit, suitable, convenient.
Commodity - goods, merchandise, wares.
Common - mean, vulgar, frequent, low, general, ordinary, usual.
Commotion - perturbation, disturbance, tumult.
Communicate - tell, report, disclose, make known, impart, reveal.
Communication - commerce, intercourse, conference.
Communion - fellowship, union, converse, intercourse. Commute - exchange, barter.
Compact - contract, agreement, covenant, firm, solid, close.
Companion - ally, accomplice, associate, comrade, friend, confederate, partner.
Company - assembly, band, crew, corporation, congregation, association.
Compass - attain, enclose, invest, besiege, environ, encircle, consummate.
Compassion - tenderness, pity, sympathy, commiseration.
Compensation - pay, amends, reward, remuneration, requital.
Competent - suitable, fitted, able, qualified, capable, efficient, skillful, effective.
Competition - rivalry, contest, emulation.
Complaining - lamenting, murmuring, bemoaning, bewailing, regretting, repining.
Complaisant - agreeable, affable, courteous, civil.
Complete - conclude, fulfill, terminate, effect, accomplish, finish, consummate, execute.
Complex - intricate, complicate, compound.
Compliment - extol, flatter, congratulate, praise.
Comply - agree, accord, accede, assent, yield, acquiesce, consent.
Compose - put together, form, settle, soothe, calm, quiet, compound.
Comprehend - appreciate, embrace, include, understand, comprise, conceive.
Compress - condense, squeeze, bind.
Compulsion - constraint, force, restraint, coercion.
Compunction - regret, penitence, remorse, repentance, contrition.
Compute - count, number, rate, estimate, calculate.
Concede - yield, grant, allow, deliver, admit, surrender.
Conceal - hide, disguise, cover, secrete.
Conceit - imagination, fancy, notion, freak.
Conceited - vain, proud, egotistical, opinionated.
Conception - perception, knowledge, fancy, idea, imagination, notion.
Concern - care, interest, business, affair, regard, matter.
Concert - contrive, manage, adjust, consult.
Conciliate - win, reconcile, propitiate.
Conclude - finish, terminate, close.
Conclusion - termination, inference, end.
Conclusive - convincing, decisive.
Concord - harmony, agreement, unity, amity, peace.
Concur - agree, coincide, approve, acquiesce.
Condemn - sentence, doom, blame, reproach, reprove.
Condense - abbreviate, shorten, contract.
Condescension - humility, submission, deference.
Condition - rank, state, compact, bond, case, situation, stipulation.
Condolence - compassion, commiseration, sympathy.
Conduce - conduct, tend, lead, contribute.
Conduct - management, behavior, guidance, deportment.