superiority vs transcendency

superiority and transcendency both are nouns.

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

As nouns, superiority and transcendency are synonyms defined as:

superiority and transcendency: the state of excelling or surpassing or going beyond usual limits

Other synonyms of superiority include transcendence.

superiority (noun)	transcendency (noun)
the quality of being superior	a state of being or existence above and beyond the limits of material experience
the quality of being at a competitive advantage	the state of excelling or surpassing or going beyond usual limits
displaying a sense of being better than others
the state of excelling or surpassing or going beyond usual limits