academic vs professor

academic and professor both are nouns.

Word	Noun	Adjective	Verb	Adverb
academic	Yes	Yes	No	No
professor	Yes	No	No	No

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

academic: an educator who works at a college or university
professor: someone who is a member of the faculty at a college or university

Other hyponyms of academic include prof.

academic (noun)	professor (noun)
an educator who works at a college or university	someone who is a member of the faculty at a college or university

academic (adjective)	professor (adjective)
associated with academia or an academy
marked by a narrow focus on or display of learning especially its trivial aspects
hypothetical or theoretical and not expected to produce an immediate or practical result