bank
banking
box
business
cash
code
combination
concept
container
currency
deposit
door
finance
financial
gold
handle
insurance
iron
isolated
lock
metal
metallic
money
open
protect
protection
rich
room
safe
safety
safety box
save
secure
security
silver
solid
steel
stock
storage
strength
stronghold
system
total
treasure
trust
vault
wall
wealth
white