Schoolman vs bookman

Schoolman and bookman both are nouns.

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

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

Schoolman: a scholar in one of the universities of the Middle Ages; versed in scholasticism
bookman: a learned person; someone who by long study has gained mastery in one or more disciplines

Other hypernyms of Schoolman include scholar, scholarly person.

Schoolman (noun)	bookman (noun)
a scholar in one of the universities of the Middle Ages; versed in scholasticism	a learned person; someone who by long study has gained mastery in one or more disciplines