intercession vs involution

intercession and involution both are nouns.

Word	Noun	Adjective	Verb	Adverb
intercession	Yes	No	No	No
involution	Yes	No	No	No

As nouns, involution is a hypernym of intercession; that is, involution is a word with a broader meaning than intercession:

Other hypernyms of intercession include engagement, involvement, participation.

intercession (noun)	involution (noun)
the act of intervening (as to mediate a dispute, etc.)	the action of enfolding something
a prayer to God on behalf of another person	the process of raising a quantity to some assigned power
	the act of sharing in the activities of a group
	marked by elaborately complex detail
	a long and intricate and complicated grammatical construction
	reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)