combat pay vs pay

combat pay and pay both are nouns.

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

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

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

combat pay (noun)	pay (noun)
extra pay for soldiers engaged in active combat	something that remunerates

combat pay (verb)	pay (verb)
	dedicate
	bear (a cost or penalty), in recompense for some action
	convey, as of a compliment, regards, attention, etc.; bestow
	give money, usually in exchange for goods or services
	bring in
	do or give something to somebody in return
	cancel or discharge a debt
	make a compensation for
	discharge or settle
	render
	be worth it