Nouns

(n)fuela substance that can be consumed to produce energy“more fuel is needed during the winter months”, “they developed alternative fuels for aircraft”

Verbs

(v)fuelprovide with a combustible substance that provides energy“fuel aircraft, ships, and cars”
(v)fuel, fireprovide with fuel“Oil fires the furnace”
(v)fueltake in fuel, as of a ship“The tanker fueled in Bahrain”
(v)fuelstimulate“fuel the debate on creationism”