pipe vs tubing

pipe and tubing both are nouns.

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

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

pipe: a long tube made of metal or plastic that is used to carry water or oil or gas etc.
tubing: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

Other hypernyms of pipe include tube.

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

pipe: a tube with a small bowl at one end; used for smoking tobacco
tubing: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

Other hypernyms of pipe include tube.

pipe (noun)	tubing (noun)
a long tube made of metal or plastic that is used to carry water or oil or gas etc.	conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
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