superiority vs advantage

superiority and advantage both are nouns.

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

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

Other hypernyms of superiority include vantage.

superiority (noun)	advantage (noun)
the quality of being superior	the quality of having a superior or more favorable position
the quality of being at a competitive advantage	benefit resulting from some event or action
displaying a sense of being better than others	(tennis) first point scored after deuce
the state of excelling or surpassing or going beyond usual limits

superiority (verb)	advantage (verb)
	give an advantage to