bungler vs botcher

bungler and botcher both are nouns.

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

As nouns, bungler and botcher are synonyms defined as:

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

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