Renaissance man vs bookman

Renaissance man and bookman both are nouns.

Word	Noun	Adjective	Verb	Adverb
Renaissance man	Yes	No	No	No
bookman	Yes	No	No	No

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

Renaissance man: a scholar during the Renaissance who (because knowledge was limited) could know almost everything about many topics
bookman: a learned person; someone who by long study has gained mastery in one or more disciplines

Other hypernyms of Renaissance man include scholar, scholarly person.

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

Renaissance man: a modern scholar who is in a position to acquire more than superficial knowledge about many different interests
bookman: a learned person; someone who by long study has gained mastery in one or more disciplines

Other hypernyms of Renaissance man include scholar, scholarly person.

Renaissance man (noun)	bookman (noun)
a scholar during the Renaissance who (because knowledge was limited) could know almost everything about many topics	a learned person; someone who by long study has gained mastery in one or more disciplines
a modern scholar who is in a position to acquire more than superficial knowledge about many different interests