ぴかぴか光る[pikapikahikaru] to sparkle
旭光[kyokkou] rays of the rising sun
威光[ikou] power
稲光[inabikari] (flash of) lightning
曳光弾[eikoudan] tracer bullet

栄光[eikou] glory
円光[enkou] halo
炎光[enkou] flame
黄道光[koudoukou] zodiacal light
可視光線[kashikousen] visible ray

アーク灯[aakutou] arc light
灯影[hokage] firelight
懐中電灯[kaichuudentou] electric torch
外灯[gaitou] outside light
街灯[gaitou] street light

幻灯[gentou] slide projector
行灯[andon] fixed paper-enclosed lantern
信号灯[shingoutou] signal light
石灯籠[ishitourou] stone lantern
船灯[sentou] ship's lamp

アーク燈[aakutou] arc light
懐中電燈[kaichuudentou] electric torch
街燈[gaitou] street light
幻燈[gentou] slide projector
行燈[andou] fixed paper-enclosed lantern

石燈籠[ishidourou] stone lantern
提燈[chouchin] paper lantern
電燈[dentou] electric light
燈台[toudai] lighthouse
燈明[toumyou] light offered to a god or Buddha

蛍光塗料[keikoutoryou] fluorescent paint
蛍光物質[keikoubusshitsu] fluorescent substance
蛍狩り[hotarugari] firefly catching
蛍雪の功[keisetsunokou] the fruit of diligent study
蛍火[hotarubi] light of a firefly

蛍光[keikou] fluorescence
蛍光燈[keikoutou] fluorescent lamp
蛍烏賊[hotaruika] firefly squid (Watasenia scintillans)
蛍石[hotaruishi] fluorite

螢雪[keisetsu] diligent study
螢火[keika] light of a firefly
螢光[keikou] fluorescence

螢光燈[keikoutou] fluorescent lamp
螢石[keiseki] fluorite
螢光ペン[keikoupen] highlighter