combat pay vs remuneration

combat pay and remuneration both are nouns.

Word	Noun	Adjective	Verb	Adverb
combat pay	Yes	No	No	No
remuneration	Yes	No	No	No

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

Other hypernyms of combat pay include earnings, pay, salary, wage.

combat pay (noun)	remuneration (noun)
extra pay for soldiers engaged in active combat	the act of paying for goods or services or to recompense for losses
	something that remunerates