stumble vs botch

stumble and botch both are nouns.

Word	Noun	Adjective	Verb	Adverb
stumble	Yes	No	Yes	No
botch	Yes	No	Yes	No

As nouns, botch is a hypernym of stumble; that is, botch is a word with a broader meaning than stumble:

Other hypernyms of stumble include bloomer, blooper, blunder, boner, boo-boo, bungle, flub, foul-up, fuckup, pratfall.

stumble (noun)	botch (noun)
an unsteady uneven gait	an embarrassing mistake
an unintentional but embarrassing blunder

stumble (verb)	botch (verb)
make an error	make a mess of, destroy or ruin
miss a step and fall or nearly fall
walk unsteadily, tripping repeatedly
encounter by chance