presence vs gravitas

presence and gravitas both are nouns.

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

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

Other hyponyms of presence include dignity, lordliness.

presence (noun)	gravitas (noun)
the act of being present	formality in bearing and appearance
dignified manner or conduct
the impression that something is present
the immediate proximity of someone or something
an invisible spiritual being felt to be nearby
the state of being present; current existence