homogeneousness vs uniformness

homogeneousness and uniformness both are nouns.

Word	Noun	Adjective	Verb	Adverb
homogeneousness	Yes	No	No	No
uniformness	Yes	No	No	No

As nouns, uniformness is a hypernym of homogeneousness; that is, uniformness is a word with a broader meaning than homogeneousness:

homogeneousness: the quality of being similar or comparable in kind or nature
uniformness: the quality of lacking diversity or variation (even to the point of boredom)

Other hypernyms of homogeneousness include uniformity.

homogeneousness (noun)	uniformness (noun)
the quality of being similar or comparable in kind or nature	the quality of lacking diversity or variation (even to the point of boredom)