calabash pipe vs pipe

calabash pipe and pipe both are nouns.

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

As nouns, pipe is a hypernym of calabash pipe; that is, pipe is a word with a broader meaning than calabash pipe:

calabash pipe: a pipe for smoking; has a curved stem and a large bowl made from a calabash gourd
pipe: a tube with a small bowl at one end; used for smoking tobacco

Other hypernyms of calabash pipe include tobacco pipe.

calabash pipe (noun)	pipe (noun)
a pipe for smoking; has a curved stem and a large bowl made from a calabash gourd	a long tube made of metal or plastic that is used to carry water or oil or gas etc.
	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