sparge pipe vs pipage

sparge pipe and pipage both are nouns.

Word	Noun	Adjective	Verb	Adverb
sparge pipe	Yes	No	No	No
pipage	Yes	No	No	No

As nouns, pipage is a hypernym of sparge pipe; that is, pipage is a word with a broader meaning than sparge pipe:

sparge pipe: a horizontal pipe having fine holes drilled throughout its length so as to deliver a spray of water
pipage: a long tube made of metal or plastic that is used to carry water or oil or gas etc.

Other hypernyms of sparge pipe include pipe, piping.

sparge pipe (noun)	pipage (noun)
a horizontal pipe having fine holes drilled throughout its length so as to deliver a spray of water	a long tube made of metal or plastic that is used to carry water or oil or gas etc.
	a fee charged for the use of pipes