midterm vs examination

midterm and examination both are nouns.

Word	Noun	Adjective	Verb	Adverb
midterm	Yes	No	No	No
examination	Yes	No	No	No

As nouns, examination is a hypernym of midterm; that is, examination is a word with a broader meaning than midterm:

Other hypernyms of midterm include exam, test.

midterm (noun)	examination (noun)
an examination administered in the middle of an academic term	the act of examining something closely (as for mistakes)
middle of an academic term or a political term in office	the act of giving students or candidates a test (as by questions) to determine what they know or have learned
the middle of the gestation period	a detailed inspection of your conscience (as done daily by Jesuits)
	a set of questions or exercises evaluating skill or knowledge
	formal systematic questioning