shrill vs pipe

shrill is not a noun while pipe is a noun.

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

As verbs, shrill and pipe are synonyms defined as:

Other synonyms of shrill include pipe up, shriek.

shrill (noun)	pipe (noun)
	a long tube made of metal or plastic that is used to carry water or oil or gas etc.
	a tube with a small bowl at one end; used for smoking tobacco
	the flues and stops on a pipe organ
	a tubular wind instrument
	a hollow cylindrical shape

shrill (adjective)	pipe (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