blooper vs bloomer

blooper and bloomer both are nouns.

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

As nouns, blooper and bloomer are synonyms defined as:

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

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