quibble vs bicker

quibble and bicker both are nouns.

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

As verbs, quibble and bicker are synonyms defined as:

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

quibble (noun)	bicker (noun)
an evasion of the point of an argument by raising irrelevant distinctions or objections	a quarrel about petty points

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