lender vs loaner

lender and loaner both are nouns.

Word	Noun	Adjective	Verb	Adverb
lender	Yes	No	No	No
loaner	Yes	No	No	No

As nouns, lender and loaner are synonyms defined as:

lender and loaner: someone who lends money or gives credit in business matters

lender (noun)	loaner (noun)
someone who lends money or gives credit in business matters	a car that is lent as a replacement for one that is under repair
	someone who lends money or gives credit in business matters