nobody vs jackanapes

nobody and jackanapes both are nouns.

Word	Noun	Adjective	Verb	Adverb
nobody	Yes	No	No	No
jackanapes	Yes	No	No	No

As nouns, jackanapes is a hyponym of nobody; that is, jackanapes is a word with a more specific, narrower meaning than nobody:

Other hyponyms of nobody include pip-squeak, small fry, squirt, lightweight, whippersnapper.

nobody (noun)	jackanapes (noun)
a person of no influence	someone who is unimportant but cheeky and presumptuous