liability vs debt

liability and debt both are nouns.

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

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

Other hyponyms of liability include limited liability, arrears, account payable, payable, scot and lot.

liability (noun)	debt (noun)
the quality of being something that holds you back	an obligation to pay or do something
an obligation to pay money to another party	money or goods or services owed by one person to another
the state of being legally obliged and responsible	the state of owing something (especially money)