mention vs invoke

mention is a noun but invoke is not a noun.

Word	Noun	Adjective	Verb	Adverb
mention	Yes	No	Yes	No
invoke	No	No	Yes	No

As verbs, invoke is a hyponym of mention; that is, invoke is a word with a more specific, narrower meaning than mention:

mention (noun)	invoke (noun)
an official recognition of merit
a remark that calls attention to something or someone
a short note recognizing a source of information or of a quoted passage

mention (verb)	invoke (verb)
make mention of	cite as an authority; resort to
commend	request earnestly (something from somebody); ask for aid or protection
make reference to	summon into action or bring into existence, often as if by magic