usability vs serviceableness

usability and serviceableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
usability	Yes	No	No	No
serviceableness	Yes	No	No	No

As nouns, usability and serviceableness are synonyms defined as:

usability and serviceableness: the quality of being able to provide good service

Other synonyms of usability include serviceability, usableness, useableness.

usability (noun)	serviceableness (noun)
the quality of being able to provide good service	the quality of being able to provide good service