cyclone cellar vs storm cellar

cyclone cellar and storm cellar both are nouns.

Word	Noun	Adjective	Verb	Adverb
cyclone cellar	Yes	No	No	No
storm cellar	Yes	No	No	No

As nouns, cyclone cellar and storm cellar are synonyms defined as:

cyclone cellar and storm cellar: an underground shelter where you can go until a storm passes

Other synonyms of cyclone cellar include tornado cellar.

cyclone cellar (noun)	storm cellar (noun)
an underground shelter where you can go until a storm passes	an underground shelter where you can go until a storm passes