shout vs shrill

shout is a noun but shrill is not a noun.

Word	Noun	Adjective	Verb	Adverb
shout	Yes	No	Yes	No
shrill	No	Yes	Yes	No

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

shout (noun)	shrill (noun)
a loud utterance; often in protest or opposition

shout (adjective)	shrill (adjective)
	of colors that are bright and gaudy
	having or emitting a high-pitched and sharp tone or tones
	being sharply insistent on being heard

shout (verb)	shrill (verb)
utter in a loud voice; talk in a loud voice (usually denoting characteristic manner of speaking)	utter a shrill cry
utter a sudden loud cry
utter aloud; often with surprise, horror, or joy
use foul or abusive language towards