cavil vs quiddity

cavil and quiddity both are nouns.

Word	Noun	Adjective	Verb	Adverb
cavil	Yes	No	Yes	No
quiddity	Yes	No	No	No

As nouns, cavil and quiddity are synonyms defined as:

cavil and quiddity: an evasion of the point of an argument by raising irrelevant distinctions or objections

Other synonyms of cavil include quibble.

cavil (noun)	quiddity (noun)
an evasion of the point of an argument by raising irrelevant distinctions or objections	the essence that makes something the kind of thing it is and makes it different from any other
	an evasion of the point of an argument by raising irrelevant distinctions or objections

cavil (verb)	quiddity (verb)
raise trivial objections