homogeneity vs homogeneousness

homogeneity and homogeneousness both are nouns.

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

As nouns, homogeneity and homogeneousness are synonyms defined as:

homogeneity and homogeneousness: the quality of being similar or comparable in kind or nature

homogeneity (noun)	homogeneousness (noun)
the quality of being similar or comparable in kind or nature	the quality of being similar or comparable in kind or nature
the quality of being of uniform throughout in composition or structure