carp vs cavil

carp and cavil both are nouns.

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

As verbs, carp and cavil are synonyms defined as:

Other synonyms of carp include chicane.

carp (noun)	cavil (noun)
any of various freshwater fish of the family Cyprinidae	an evasion of the point of an argument by raising irrelevant distinctions or objections
the lean flesh of a fish that is often farmed; can be baked or braised

carp (verb)	cavil (verb)
raise trivial objections	raise trivial objections