equivocation vs quibble

equivocation and quibble both are nouns.

Word	Noun	Adjective	Verb	Adverb
equivocation	Yes	No	No	No
quibble	Yes	No	Yes	No

As nouns, quibble is a hyponym of equivocation; that is, quibble is a word with a more specific, narrower meaning than equivocation:

equivocation: a statement that is not literally false but that cleverly avoids an unpleasant truth
quibble: an evasion of the point of an argument by raising irrelevant distinctions or objections

Other hyponyms of equivocation include circumlocution, indirect expression, doublespeak, hedge, hedging, cavil, quiddity.

equivocation (noun)	quibble (noun)
falsification by means of vague or ambiguous language	an evasion of the point of an argument by raising irrelevant distinctions or objections
intentionally vague or ambiguous
a statement that is not literally false but that cleverly avoids an unpleasant truth

equivocation (verb)	quibble (verb)
	argue over petty things
	evade the truth of a point or question by raising irrelevant objections