niggle vs quibble

niggle is not a noun while quibble is a noun.

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

As verbs, niggle and quibble are synonyms defined as:

Other synonyms of niggle include bicker, brabble, pettifog, squabble.

niggle (noun)	quibble (noun)
	an evasion of the point of an argument by raising irrelevant distinctions or objections

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