transcendency vs supremacy

transcendency and supremacy both are nouns.

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

As nouns, supremacy is a hypernym of transcendency; that is, supremacy is a word with a broader meaning than transcendency:

transcendency: the state of excelling or surpassing or going beyond usual limits
supremacy: power to dominate or defeat

Other hypernyms of transcendency include domination, mastery.

transcendency (noun)	supremacy (noun)
a state of being or existence above and beyond the limits of material experience	power to dominate or defeat
the state of excelling or surpassing or going beyond usual limits