stent vs tubing

stent and tubing both are nouns.

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

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

stent: a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis
tubing: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

Other hypernyms of stent include tube.

stent (noun)	tubing (noun)
a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis	conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases