financial obligation vs liability

financial obligation and liability both are nouns.

Word	Noun	Adjective	Verb	Adverb
financial obligation	Yes	No	No	No
liability	Yes	No	No	No

As nouns, financial obligation and liability are synonyms defined as:

financial obligation and liability: an obligation to pay money to another party

Other synonyms of financial obligation include indebtedness.

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