conduit vs tubing

conduit and tubing both are nouns.

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

As nouns, tubing is a hyponym of conduit; that is, tubing is a word with a more specific, narrower meaning than conduit:

conduit: a passage (a pipe or tunnel) through which water or electric wires can pass
tubing: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

conduit (noun)	tubing (noun)
a passage (a pipe or tunnel) through which water or electric wires can pass	conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases