liability vs taxability

liability and taxability both are nouns.

Word	Noun	Adjective	Verb	Adverb
liability	Yes	No	No	No
taxability	Yes	No	No	No

As nouns, taxability is a hyponym of liability; that is, taxability is a word with a more specific, narrower meaning than liability:

Other hyponyms of liability include ratability, rateability, joint liability.

liability (noun)	taxability (noun)
the quality of being something that holds you back	liability to taxation
an obligation to pay money to another party
the state of being legally obliged and responsible