pedant vs bookman

pedant and bookman both are nouns.

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

As nouns, bookman is a hypernym of pedant; that is, bookman is a word with a broader meaning than pedant:

pedant: a person who pays more attention to formal rules and book learning than they merit
bookman: a learned person; someone who by long study has gained mastery in one or more disciplines

Other hypernyms of pedant include scholar, scholarly person.

pedant (noun)	bookman (noun)
a person who pays more attention to formal rules and book learning than they merit	a learned person; someone who by long study has gained mastery in one or more disciplines