butterfly vs flit

butterfly and flit both are nouns.

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

As verbs, flit is a hypernym of butterfly; that is, flit is a word with a broader meaning than butterfly:

Other hypernyms of butterfly include dart, fleet, flutter.

butterfly (noun)	flit (noun)
a swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down	a sudden quick movement
diurnal insect typically having a slender body with knobbed antennae and broad colorful wings	a secret move (to avoid paying debts)

butterfly (verb)	flit (verb)
talk or behave amorously, without serious intentions	move along rapidly and lightly; skim or dart
cut and spread open, as in preparation for cooking
flutter like a butterfly