inclusion vs involvement

inclusion and involvement both are nouns.

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

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

inclusion (noun)	involvement (noun)
the act of including	the act of sharing in the activities of a group
any small intracellular body found within another (characteristic of certain diseases)	a sense of concern with and curiosity about someone or something
the relation of comprising something	a connection of inclusion or containment
the state of being included	a usually secretive or illicit sexual relationship
	the condition of sharing in common with others (as fellows or partners etc.)