presence vs notion

presence and notion both are nouns.

Word	Noun	Adjective	Verb	Adverb
presence	Yes	No	No	No
notion	Yes	No	No	No

As nouns, notion is a hypernym of presence; that is, notion is a word with a broader meaning than presence:

Other hypernyms of presence include belief, feeling, impression, opinion.

presence (noun)	notion (noun)
the act of being present	(usually plural) small personal articles or clothing or sewing items
dignified manner or conduct	a general inclusive concept
the impression that something is present	an odd or fanciful or capricious idea
the immediate proximity of someone or something	a vague idea in which some confidence is placed
an invisible spiritual being felt to be nearby
the state of being present; current existence