trimester vs academic term

trimester and academic term both are nouns.

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

As nouns, academic term is a hypernym of trimester; that is, academic term is a word with a broader meaning than trimester:

Other hypernyms of trimester include academic session, school term, session.

trimester (noun)	academic term (noun)
a period of three months; especially one of the three three-month periods into which human pregnancy is divided	the time during which a school holds classes
one of three divisions of an academic year