熄 (w)

(xī) to extinguish; to put out (fire); to quench; to stop burning; to go out (of fire, lamp etc); to come to an end; to wither away; to die out

熄灭 (w)

(xīmiè) to stop burning; to go out (of fire); to die out; extinguished

熄火 (w)

(xīhuǒ) to go out (of fire, lamp, stove, cigarette etc); to stall (of vehicle); fig. to die down

熄灯 (w)

(xīdēng) turn out the lights; lights out