comprehension vs involvement

comprehension and involvement both are nouns.

Word	Noun	Adjective	Verb	Adverb
comprehension	Yes	No	No	No
involvement	Yes	No	No	No

As nouns, involvement is a hypernym of comprehension; that is, involvement is a word with a broader meaning than comprehension:

comprehension (noun)	involvement (noun)
an ability to understand the meaning or importance of something (or the knowledge acquired as a result)	the act of sharing in the activities of a group
the relation of comprising something	a sense of concern with and curiosity about someone or something
	a connection of inclusion or containment
	a usually secretive or illicit sexual relationship
	the condition of sharing in common with others (as fellows or partners etc.)