butcher vs fumbler

butcher and fumbler both are nouns.

Word	Noun	Adjective	Verb	Adverb
butcher	Yes	No	Yes	No
fumbler	Yes	No	No	No

As nouns, butcher and fumbler are synonyms defined as:

Other synonyms of butcher include blunderer, botcher, bumbler, bungler, fuckup, sad sack, stumbler.

butcher (noun)	fumbler (noun)
a person who slaughters or dresses meat for market	someone who makes mistakes because of incompetence
a brutal indiscriminate murderer
a retailer of meat
someone who makes mistakes because of incompetence

butcher (verb)	fumbler (verb)
kill (animals) usually for food consumption