bumbler vs butcher

bumbler and butcher both are nouns.

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

As nouns, bumbler and butcher are synonyms defined as:

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

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

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