credit exposure vs sum

credit exposure and sum both are nouns.

Word	Noun	Adjective	Verb	Adverb
credit exposure	Yes	No	No	No
sum	Yes	No	Yes	No

As nouns, sum is a hypernym of credit exposure; that is, sum is a word with a broader meaning than credit exposure:

credit exposure: the amount of money a bank has lent and may lose if it is not paid back.
sum: a quantity of money

Other hypernyms of credit exposure include amount, amount of money, sum of money.

credit exposure (noun)	sum (noun)
the amount of money a bank has lent and may lose if it is not paid back.	the whole amount
	the choicest or most essential or most vital part of some idea or experience
	a quantity obtained by the addition of a group of numbers
	the final aggregate
	a set containing all and only the members of two or more given sets
	a quantity of money

credit exposure (verb)	sum (verb)
	determine the sum of
	be a summary of