3d
account
archives
bank
banking
box
business
cell
close
closed
confidence
confidential
deposit
depository
document
door
equipment
finance
gold
gray
key
keyhole
lock
locker
metal
metallic
money
nobody
privacy
private
protection
row
safe
safety
savings
secrecy
secret
secure
security
solid
steel
stock
storage
system
tag
treasure
trust
vault
vaulted
wealth