water pipe vs hookah

water pipe and hookah both are nouns.

Word	Noun	Adjective	Verb	Adverb
water pipe	Yes	No	No	No
hookah	Yes	No	No	No

As nouns, water pipe and hookah are synonyms defined as:

water pipe and hookah: an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water

Other synonyms of water pipe include calean, chicha, hubble-bubble, hubbly-bubbly, kalian, narghile, nargileh, sheesha, shisha.

water pipe (noun)	hookah (noun)
an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water	an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water