amenability vs cooperativeness

amenability and cooperativeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
amenability	Yes	No	No	No
cooperativeness	Yes	No	No	No

As nouns, amenability and cooperativeness are synonyms defined as:

Other synonyms of amenability include amenableness.

amenability (noun)	cooperativeness (noun)
the trait of being cooperative	the trait of being cooperative