As nouns the difference between truck and brother
is that
truck is a small wheel or roller, specifically the wheel of a gun-carriage or
truck can be (obsolete|often used in plural sense) small, humble items; things, often for sale or barter while
brother is title of respect for an adult male member of a religious or fraternal order.
As a verb truck
is to fail; run out; run short; be unavailable; diminish; abate or
truck can be to drive a truck or
truck can be to tread (down); stamp on; trample (down) or
truck can be to trade, exchange; barter.
As an adjective truck
is pertaining to a garden patch or truck garden.