matchlessness vs excellence

matchlessness and excellence both are nouns.

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

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

matchlessness: The state or condition of being matchless, of having no equal.
excellence: the quality of excelling; possessing good qualities in high degree

matchlessness (noun)	excellence (noun)
The state or condition of being matchless, of having no equal.	the quality of excelling; possessing good qualities in high degree
	an outstanding feature; something in which something or someone excels