quiet vs calm

quiet and calm both are nouns.

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

As nouns, calm is a hypernym of quiet; that is, calm is a word with a broader meaning than quiet:

Other hypernyms of quiet include calmness, composure, equanimity.

As verbs, quiet and calm are synonyms defined as:

Other synonyms of quiet include calm down, lull, quieten, still, tranquilize, tranquillise, tranquillize.

quiet (noun)	calm (noun)
a disposition free from stress or emotion	steadiness of mind under stress
the absence of sound	wind moving at less than 1 knot; 0 on the Beaufort scale
a period of calm weather
an untroubled state; free from disturbances

quiet (adjective)	calm (adjective)
free of noise or uproar; or making little if any sound	(of weather) free from storm or wind
characterized by an absence or near absence of agitation or activity	not agitated; without losing self-possession
(of the sun) characterized by a low level of surface phenomena, such as sunspots
(of a body of water) free from disturbance by heavy waves
in a softened tone
not showy or obtrusive

quiet (verb)	calm (verb)
make calm or still	cause to be calm or quiet as by administering a sedative to
become quiet or quieter	make steady
	make calm or still
	become quiet or calm, especially after a state of agitation

quiet (adverb)	calm (adverb)
with little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly')