shrill vs shrilling

shrill is not a noun while shrilling is a noun.

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

shrill (noun)	shrilling (noun)
	a continuing shrill noise

shrill (adjective)	shrilling (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

shrill (verb)	shrilling (verb)
utter a shrill cry