botch vs bloomer

botch and bloomer both are nouns.

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

As nouns, botch and bloomer are synonyms defined as:

Other synonyms of botch include blooper, blunder, boner, boo-boo, bungle, flub, foul-up, fuckup, pratfall.

botch (noun)	bloomer (noun)
an embarrassing mistake	an embarrassing mistake
	a flower that blooms in a particular way

botch (verb)	bloomer (verb)
make a mess of, destroy or ruin