scholar vs wonk

scholar and wonk both are nouns.

Word	Noun	Adjective	Verb	Adverb
scholar	Yes	No	No	No
wonk	Yes	No	No	No

As nouns, wonk is a hyponym of scholar; that is, wonk is a word with a more specific, narrower meaning than scholar:

scholar: someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs
wonk: an insignificant student who is ridiculed as being affected or boringly studious

Other hyponyms of scholar include memoriser, memorizer, quick study, sponge, dweeb, grind, nerd, swot, tutee.

scholar (noun)	wonk (noun)
a learned person; someone who by long study has gained mastery in one or more disciplines	an insignificant student who is ridiculed as being affected or boringly studious
someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs
a student who holds a scholarship