progressive vs progressiveness

progressive and progressiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
progressive	Yes	Yes	No	No
progressiveness	Yes	No	No	No

progressive (noun)	progressiveness (noun)
a person who favors a political philosophy of progress and reform and the protection of civil liberties	advancement toward better conditions or policies or methods
a tense of verbs used in describing action that is on-going

progressive (adjective)	progressiveness (adjective)
favoring or promoting progress
(of taxes) adjusted so that the rate increases as the amount of income increases
advancing in severity
gradually advancing in extent
favoring or promoting reform (often by government action)
(of a card game or a dance) involving a series of sections for which the participants successively change place or relative position