trip-up vs boo-boo

trip-up and boo-boo both are nouns.

Word	Noun	Adjective	Verb	Adverb
trip-up	Yes	No	No	No
boo-boo	Yes	No	No	No

As nouns, boo-boo is a hypernym of trip-up; that is, boo-boo is a word with a broader meaning than trip-up:

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

trip-up (noun)	boo-boo (noun)
an unintentional but embarrassing blunder	an embarrassing mistake