incomparability vs excellence

incomparability and excellence both are nouns.

Word	Noun	Adjective	Verb	Adverb
incomparability	Yes	No	No	No
excellence	Yes	No	No	No

As nouns, excellence is a hypernym of incomparability; that is, excellence is a word with a broader meaning than incomparability:

incomparability: The quality of being so much better than another as to be beyond comparison.
excellence: the quality of excelling; possessing good qualities in high degree

incomparability (noun)	excellence (noun)
The quality of being so much better than another as to be beyond comparison.	the quality of excelling; possessing good qualities in high degree
The condition of not being able to be compared.	an outstanding feature; something in which something or someone excels