yell vs pipe

yell and pipe both are nouns.

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

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

yell (noun)	pipe (noun)
a loud utterance; often in protest or opposition	a long tube made of metal or plastic that is used to carry water or oil or gas etc.
a loud utterance of emotion (especially when inarticulate)	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

yell (verb)	pipe (verb)
utter or declare in a very loud voice	utter a shrill cry
utter a sudden loud cry	play on a pipe
	trim with piping
	transport by pipeline