pipe vs ornament

pipe and ornament both are nouns.

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

As verbs, ornament is a hypernym of pipe; that is, ornament is a word with a broader meaning than pipe:

Other hypernyms of pipe include adorn, beautify, decorate, embellish, grace.

pipe (noun)	ornament (noun)
a long tube made of metal or plastic that is used to carry water or oil or gas etc.	something used to beautify
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

pipe (verb)	ornament (verb)
utter a shrill cry	make more attractive by adding ornament, colour, etc.
play on a pipe	be an ornament to
trim with piping
transport by pipeline