notation vs mention

notation and mention both are nouns.

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

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

notation: a comment or instruction (usually added)
mention: a short note recognizing a source of information or of a quoted passage

notation (noun)	mention (noun)
the activity of representing something by a special system of marks or characters	an official recognition of merit
a technical system of symbols used to represent special things	a remark that calls attention to something or someone
a comment or instruction (usually added)	a short note recognizing a source of information or of a quoted passage