CONFUTE—refute, disprove. (Demonstrate.)
CONQUER—defeat, vanquish, overcome. (Fail, be beaten, lose.)
CONSEQUENCE—effect, derivation, result, event, issue. (Cause, origin, source, antecedent.)
CONSIDER—reflect, deliberate. (Forget, ignore.)
CONSISTENT—accordant, concordant, compatible, consonant, congruous, reconcilable, harmonious. (Discordant, discrepant.)
CONSOLE—relieve, soothe, comfort. (Embitter.)
CONSTANCY—continuance, tenacity, stability. (Irresolution, fickleness.)
CONTAMINATE—Pollute, stain, taint, tarnish, blur, smudge, defile. (Cleanse, purify, purge.)
CONTEMN—despise, disdain, scorn. (Esteem, appreciate, admire.)