defrayment vs payment

defrayment and payment both are nouns.

Word	Noun	Adjective	Verb	Adverb
defrayment	Yes	No	No	No
payment	Yes	No	No	No

As nouns, defrayment and payment are synonyms defined as:

Other synonyms of defrayment include defrayal.

defrayment (noun)	payment (noun)
the act of paying money	the act of paying money
	an act of requiting; returning in kind
	a sum of money paid or a claim discharged