promenade deck vs hurricane deck

promenade deck and hurricane deck both are nouns.

Word	Noun	Adjective	Verb	Adverb
promenade deck	Yes	No	No	No
hurricane deck	Yes	No	No	No

As nouns, promenade deck and hurricane deck are synonyms defined as:

promenade deck and hurricane deck: a deck at the top of a passenger ship

Other synonyms of promenade deck include awning deck, hurricane roof.

promenade deck (noun)	hurricane deck (noun)
a deck at the top of a passenger ship	a deck at the top of a passenger ship