proportionateness vs commensurateness

proportionateness and commensurateness both are nouns.

Word	Noun	Adjective	Verb	Adverb
proportionateness	Yes	No	No	No
commensurateness	Yes	No	No	No

As nouns, proportionateness and commensurateness are synonyms defined as:

proportionateness and commensurateness: the relation of corresponding in degree or size or amount

Other synonyms of proportionateness include correspondence.

proportionateness (noun)	commensurateness (noun)
the relation of corresponding in degree or size or amount	the relation of corresponding in degree or size or amount