ruffle vs fluster

ruffle and fluster both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruffle	Yes	No	Yes	No
fluster	Yes	No	Yes	No

As verbs, fluster is a hypernym of ruffle; that is, fluster is a word with a broader meaning than ruffle:

ruffle (noun)	fluster (noun)
a noisy fight	a disposition that is confused or nervous and upset
a high tight collar
a strip of pleated material used as a decoration or a trim

ruffle (verb)	fluster (verb)
pleat or gather into a ruffle	cause to be nervous or upset
erect or fluff up	be flustered; behave in a confused manner
disturb the smoothness of
twitch or flutter
mix so as to make a random order or arrangement
trouble or vex
discompose
stir up (water) so as to form ripples
to walk with a lofty proud gait, often in an attempt to impress others