interchangeability vs interchangeableness

interchangeability and interchangeableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
interchangeability	Yes	No	No	No
interchangeableness	Yes	No	No	No

As nouns, interchangeability and interchangeableness are synonyms defined as:

interchangeability and interchangeableness: the quality of being capable of exchange or interchange

Other synonyms of interchangeability include exchangeability, fungibility.

interchangeability (noun)	interchangeableness (noun)
the quality of being capable of exchange or interchange	the quality of being capable of exchange or interchange