Burn off and Set on fire

Burn off verb - Clear land of its vegetation by burning it off.

Set on fire and burn off are semantically related in burn up topic. In some cases you can use "Set on fire" instead a verb "Burn off".

Set on fire verb - Set fire to; cause to start burning.

Burn off and set on fire are semantically related in burn up topic. Sometimes you can use "Burn off" instead a verb phrase "Set on fire".