bobble vs pratfall

bobble and pratfall both are nouns.

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

As nouns, pratfall is a hypernym of bobble; that is, pratfall is a word with a broader meaning than bobble:

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

bobble (noun)	pratfall (noun)
the momentary juggling of a batted or thrown baseball	an embarrassing mistake
	a fall onto your buttocks

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