usability vs serviceability

usability and serviceability both are nouns.

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

As nouns, usability and serviceability are synonyms defined as:

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

Other synonyms of usability include serviceableness, usableness, useableness.

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