tornado cellar vs cyclone cellar

tornado cellar and cyclone cellar both are nouns.

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

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

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

Other synonyms of tornado cellar include storm cellar.

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