botcher vs stumbler

botcher and stumbler both are nouns.

Word	Noun	Adjective	Verb	Adverb
botcher	Yes	No	No	No
stumbler	Yes	No	No	No

As nouns, botcher and stumbler are synonyms defined as:

botcher and stumbler: someone who makes mistakes because of incompetence

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

botcher (noun)	stumbler (noun)
someone who makes mistakes because of incompetence	a walker or runner who trips and almost falls
	someone who makes mistakes because of incompetence