remuneration vs defrayment

remuneration and defrayment both are nouns.

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

As nouns, defrayment is a hypernym of remuneration; that is, defrayment is a word with a broader meaning than remuneration:

remuneration: the act of paying for goods or services or to recompense for losses
defrayment: the act of paying money

Other hypernyms of remuneration include defrayal, payment.

remuneration (noun)	defrayment (noun)
the act of paying for goods or services or to recompense for losses	the act of paying money
something that remunerates