hurricane deck vs hurricane roof

hurricane deck and hurricane roof both are nouns.

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

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

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

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

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