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

っ放し[] keep ...-ing (negative nuance, with the state being improper, unpleasant, etc.)
テレビ放送[terebihousou] telecast
引き放つ[hikihanatsu] to pull apart
飲み放題[nomihoudai] all you can drink
衛星放送[eiseihousou] satellite broadcasting

下放[kahou] (stock market) slump
下放れ[shitabanare] (stock market) slump
仮釈放[karishakuhou] release on parole
火焔放射器[kaenhoushaki] flamethrower
解放[kaihou] release

垂迹[suijaku] temporary manifestation by a buddha (in order to save people)
筆迹[hisseki] handwriting
真迹[shinseki] true autograph

事迹[jiseki] evidence
本地垂迹説[honjisuijakusetsu] manifestation theory (holding that Shinto gods are manifestations of buddhas)
迹門[shakumon] first half of the Lotus Sutra, in which the Buddha appears as a spatiotemporally restricted being