deposit box vs safety-deposit

deposit box and safety-deposit both are nouns.

Word	Noun	Adjective	Verb	Adverb
deposit box	Yes	No	No	No
safety-deposit	Yes	No	No	No

As nouns, deposit box and safety-deposit are synonyms defined as:

deposit box and safety-deposit: a fireproof metal strongbox (usually in a bank) for storing valuables

Other synonyms of deposit box include lockbox, safe-deposit, safe-deposit box, safety deposit box.

deposit box (noun)	safety-deposit (noun)
a fireproof metal strongbox (usually in a bank) for storing valuables	a fireproof metal strongbox (usually in a bank) for storing valuables