incompetent vs botcher

incompetent and botcher both are nouns.

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

As nouns, botcher is a hyponym of incompetent; that is, botcher is a word with a more specific, narrower meaning than incompetent:

Other hyponyms of incompetent include blunderer, bumbler, bungler, butcher, fuckup, fumbler, sad sack, stumbler, slouch.

incompetent (noun)	botcher (noun)
someone who is not competent to take effective action	someone who makes mistakes because of incompetence

incompetent (adjective)	botcher (adjective)
not qualified or suited for a purpose
legally not qualified or sufficient
not doing a good job
not meeting requirements
showing lack of skill or aptitude