allay vs solace

allay is not a noun while solace is a noun.

Word	Noun	Adjective	Verb	Adverb
allay	No	No	Yes	No
solace	Yes	No	Yes	No

As verbs, solace is a hypernym of allay; that is, solace is a word with a broader meaning than allay:

Other hypernyms of allay include comfort, console, soothe.

allay (noun)	solace (noun)
	the act of consoling; giving relief in affliction
	the comfort you feel when consoled in times of disappointment
	comfort in disappointment or misery

allay (verb)	solace (verb)
satisfy (thirst)	give moral or emotional strength to
lessen the intensity of or calm