calm vs assuage

calm is a noun but assuage is not a noun.

Word	Noun	Adjective	Verb	Adverb
calm	Yes	Yes	Yes	No
assuage	No	No	Yes	No

As verbs, assuage is a hyponym of calm; that is, assuage is a word with a more specific, narrower meaning than calm:

Other hyponyms of calm include lull, compose, appease, conciliate, gentle, gruntle, lenify, mollify, pacify, placate.

calm (noun)	assuage (noun)
steadiness of mind under stress
wind moving at less than 1 knot; 0 on the Beaufort scale

calm (adjective)	assuage (adjective)
(of weather) free from storm or wind
not agitated; without losing self-possession

calm (verb)	assuage (verb)
cause to be calm or quiet as by administering a sedative to	provide physical relief, as from pain
make steady	satisfy (thirst)
make calm or still	cause to be more favorably inclined; gain the good will of
become quiet or calm, especially after a state of agitation