cyclone cellar vs tornado cellar

cyclone cellar and tornado cellar both are nouns.

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

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

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

Other synonyms of cyclone cellar include storm cellar.

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