Letters that make OMB
o, b, m are letters that make 'OMB'
tomb, womb, ombu, comb, bomb are words created by adding a letter to 'OMB'
1 possible definitions for 'OMB'
Under this definition, omb is a noun and has the following properties:
Office of Management and Budget has the same meaning as OMB
'OMB' can be a type of executive agency.