The term 'IT MAY BE FLAT' can be solved by the crossword solutions RATE (4 letters), FEE (3 letters), and TIRE (4 letters). RATE is a noun meaning the cost of something, usually expressed as a quantity of money. FEE is a noun meaning a fixed charge for a service or privilege. TIRE is a noun meaning a flexible band of rubber and fabric that fits around the rim of a wheel and forms a tread for traction and absorption of shock.