plumbing fixture vs fixture

plumbing fixture and fixture both are nouns.

Word	Noun	Adjective	Verb	Adverb
plumbing fixture	Yes	No	No	No
fixture	Yes	No	No	No

As nouns, fixture is a hypernym of plumbing fixture; that is, fixture is a word with a broader meaning than plumbing fixture:

plumbing fixture: a fixture for the distribution and use of water in a building
fixture: an object firmly fixed in place (especially in a household)

plumbing fixture (noun)	fixture (noun)
a fixture for the distribution and use of water in a building	the act of putting something in working order again
	an object firmly fixed in place (especially in a household)
	the quality of being fixed in place as by some firm attachment
	a regular patron