blunder vs pratfall

blunder and pratfall both are nouns.

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

As nouns, blunder and pratfall are synonyms defined as:

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

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

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