botcher vs blunderer

botcher and blunderer both are nouns.

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

As nouns, botcher and blunderer are synonyms defined as:

botcher and blunderer: someone who makes mistakes because of incompetence

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

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