gruntle vs calm

gruntle is not a noun while calm is a noun.

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

As verbs, calm is a hypernym of gruntle; that is, calm is a word with a broader meaning than gruntle:

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

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

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

gruntle (verb)	calm (verb)
cause to be more favorably inclined; gain the good will of	cause to be calm or quiet as by administering a sedative to
	make steady
	make calm or still
	become quiet or calm, especially after a state of agitation