pratfall vs flub

pratfall and flub both are nouns.

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

As nouns, pratfall and flub are synonyms defined as:

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

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

pratfall (verb)	flub (verb)
	make a mess of, destroy or ruin