well point vs tubing

well point and tubing both are nouns.

Word	Noun	Adjective	Verb	Adverb
well point	Yes	No	No	No
tubing	Yes	No	No	No

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

well point: a perforated tube driven into the ground to collect water from the surrounding area
tubing: conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

Other hypernyms of well point include tube.

well point (noun)	tubing (noun)
a perforated tube driven into the ground to collect water from the surrounding area	conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases