muff vs fumble

muff and fumble both are nouns.

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

As nouns, muff and fumble are synonyms defined as:

As verbs, muff and fumble are synonyms defined as:

muff (noun)	fumble (noun)
(sports) dropping the ball	(sports) dropping the ball
a warm tubular covering for the hands

muff (verb)	fumble (verb)
make a mess of, destroy or ruin	drop or juggle or fail to play cleanly a grounder
fail to catch, as of a ball	feel about uncertainly or blindly
	handle clumsily
	make one's way clumsily or blindly
	make a mess of, destroy or ruin