hubbly-bubbly vs water pipe

hubbly-bubbly and water pipe both are nouns.

Word	Noun	Adjective	Verb	Adverb
hubbly-bubbly	Yes	No	No	No
water pipe	Yes	No	No	No

As nouns, hubbly-bubbly and water pipe are synonyms defined as:

hubbly-bubbly and water pipe: 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 hubbly-bubbly include calean, chicha, hookah, hubble-bubble, kalian, narghile, nargileh, sheesha, shisha.

hubbly-bubbly (noun)	water pipe (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