fluff vs fumble

fluff and fumble both are nouns.

Word	Noun	Adjective	Verb	Adverb
fluff	Yes	No	Yes	No
fumble	Yes	No	Yes	No

As verbs, fluff and fumble are synonyms defined as:

fluff (noun)	fumble (noun)
a blunder (especially an actor's forgetting the lines)	(sports) dropping the ball
something of little value or significance
any light downy material

fluff (verb)	fumble (verb)
ruffle (one's hair) by combing the ends towards the scalp, for a full effect	drop or juggle or fail to play cleanly a grounder
erect or fluff up	feel about uncertainly or blindly
make a mess of, destroy or ruin	handle clumsily
	make one's way clumsily or blindly
	make a mess of, destroy or ruin