pratfall vs blunder

pratfall and blunder both are nouns.

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

As nouns, pratfall and blunder are synonyms defined as:

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

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

pratfall (verb)	blunder (verb)
	utter impulsively
	make one's way clumsily or blindly
	commit a faux pas or a fault or make a serious mistake