cellarage vs cellar

cellarage and cellar both are nouns.

Word	Noun	Adjective	Verb	Adverb
cellarage	Yes	No	No	No
cellar	Yes	No	No	No

As nouns, cellar is a hypernym of cellarage; that is, cellar is a word with a broader meaning than cellarage:

cellarage: a storage area in a cellar
cellar: the lowermost portion of a structure partly or wholly below ground level; often used for storage

Other hypernyms of cellarage include basement.

cellarage (noun)	cellar (noun)
a storage area in a cellar	the lowermost portion of a structure partly or wholly below ground level; often used for storage
a charge for storing goods in a cellar	storage space where wines are stored
	an excavation where root vegetables are stored