creditor vs mortgagee

creditor and mortgagee both are nouns.

Word	Noun	Adjective	Verb	Adverb
creditor	Yes	No	No	No
mortgagee	Yes	No	No	No

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

creditor: a person to whom money is owed by a debtor; someone to whom an obligation exists
mortgagee: the person who accepts a mortgage

Other hyponyms of creditor include mortgage holder.

creditor (noun)	mortgagee (noun)
a person to whom money is owed by a debtor; someone to whom an obligation exists	the person who accepts a mortgage