deposit box vs lockbox

deposit box and lockbox both are nouns.

Word	Noun	Adjective	Verb	Adverb
deposit box	Yes	No	No	No
lockbox	Yes	No	No	No

As nouns, deposit box and lockbox are synonyms defined as:

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

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

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