superiority vs vantage

superiority and vantage both are nouns.

Word	Noun	Adjective	Verb	Adverb
superiority	Yes	No	No	No
vantage	Yes	No	No	No

As nouns, vantage is a hypernym of superiority; that is, vantage is a word with a broader meaning than superiority:

Other hypernyms of superiority include advantage.

superiority (noun)	vantage (noun)
the quality of being superior	the quality of having a superior or more favorable position
the quality of being at a competitive advantage	place or situation affording some advantage (especially a comprehensive view or commanding perspective)
displaying a sense of being better than others
the state of excelling or surpassing or going beyond usual limits