flit vs flutter

flit and flutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
flit	Yes	No	Yes	No
flutter	Yes	No	Yes	No

As verbs, flit and flutter are synonyms defined as:

Other synonyms of flit include dart, fleet.

flit (noun)	flutter (noun)
a sudden quick movement	the act of moving back and forth
a secret move (to avoid paying debts)	the motion made by flapping up and down
	abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
	a disorderly outburst or tumult

flit (verb)	flutter (verb)
move along rapidly and lightly; skim or dart	wink briefly
	beat rapidly
	move back and forth very rapidly
	move along rapidly and lightly; skim or dart
	flap the wings rapidly or fly with flapping movements