mortgagor vs mortgager

mortgagor and mortgager both are nouns.

Word	Noun	Adjective	Verb	Adverb
mortgagor	Yes	No	No	No
mortgager	Yes	No	No	No

As nouns, mortgagor and mortgager are synonyms defined as:

mortgagor and mortgager: the person who gives a mortgage in return for money to be repaid

mortgagor (noun)	mortgager (noun)
the person who gives a mortgage in return for money to be repaid	the person who gives a mortgage in return for money to be repaid