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

黄緑[kimidori] pea green
黄緑色[ouryokushoku] yellow-green
灰緑色[kairyokushoku] greenish gray
黒緑[kuromidori] blackish green
常緑[jouryoku] evergreen

常緑樹[jouryokuju] evergreen tree
新緑[shinryoku] fresh verdure
濃緑色[nouryokushoku] dark green
万緑[banryoku] myriad green leaves
葉緑素[youryokuso] chlorophyl

一閃[issen] flash
閃かす[hiramekasu] to brandish
閃き[hirameki] flair
閃く[hirameku] to flash (lightning, etc.)
閃光[senkou] flash

閃光電球[senkoudenkyuu] flash bulb
花崗閃緑岩[kakousenryokugan] granodiorite
紫電一閃[shidenissen] flash of lightning
電光一閃[denkouissen] flash of lightning
閃緑岩[senryokugan] diorite (a type of rock similar to granite)