boo-boo vs spectacle

boo-boo and spectacle both are nouns.

Word	Noun	Adjective	Verb	Adverb
boo-boo	Yes	No	No	No
spectacle	Yes	No	No	No

As nouns, spectacle is a hyponym of boo-boo; that is, spectacle is a word with a more specific, narrower meaning than boo-boo:

boo-boo: an embarrassing mistake
spectacle: a blunder that makes you look ridiculous; used in the phrase `make a spectacle of' yourself

boo-boo (noun)	spectacle (noun)
an embarrassing mistake	a blunder that makes you look ridiculous; used in the phrase `make a spectacle of' yourself
	an elaborate and remarkable display on a lavish scale
	something or someone seen (especially a notable or unusual sight)