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

異常[ijou] strangeness
異常高温[ijoukouon] abnormally high temperatures
異常終了[ijoushuuryou] abnormal termination (e.g. of a program)
異常発生[ijouhassei] plague
家常[kajou] family custom

経常収支[keijoushuushi] current account balance
経常費[keijouhi] current expenses
五常[gojou] the five cardinal Confucian virtues (justice, politeness, wisdom, fidelity and benevolence)
恒常[koujou] constancy
三角系異常[sankakukeiijou] triangle anomaly