pratfall vs blooper

pratfall and blooper both are nouns.

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

As nouns, pratfall and blooper are synonyms defined as:

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

pratfall (noun)	blooper (noun)
an embarrassing mistake	an embarrassing mistake
a fall onto your buttocks