pedant vs bookworm

pedant and bookworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
pedant	Yes	No	No	No
bookworm	Yes	No	No	No

As nouns, pedant and bookworm are synonyms defined as:

pedant and bookworm: a person who pays more attention to formal rules and book learning than they merit

Other synonyms of pedant include scholastic.

pedant (noun)	bookworm (noun)
a person who pays more attention to formal rules and book learning than they merit	someone who spends a great deal of time reading
	a person who pays more attention to formal rules and book learning than they merit