academic session vs academic term

academic session and academic term both are nouns.

Word	Noun	Adjective	Verb	Adverb
academic session	Yes	No	No	No
academic term	Yes	No	No	No

As nouns, academic session and academic term are synonyms defined as:

academic session and academic term: the time during which a school holds classes

Other synonyms of academic session include school term, session.

academic session (noun)	academic term (noun)
the time during which a school holds classes	the time during which a school holds classes