botcher vs bungler

botcher and bungler both are nouns.

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

As nouns, botcher and bungler are synonyms defined as:

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

botcher (noun)	bungler (noun)
someone who makes mistakes because of incompetence	someone who makes mistakes because of incompetence