インフラ開発[infurakaihatsu] infrastructure development
エンジン発動機[enjinhatsudouki] engine
バス発着場[basuhacchakujou] depot
発条[bane] spring (e.g. coil, leaf)
ロケット発射筒[rokettohasshatou] rocket launcher

異常発生[ijouhassei] plague
一触即発[isshokusokuhatsu] critical (touch and go) situation
一念発起[ichinenhokki] being resolved to (do something)
一発[ippatsu] one shot
一発かます[ippatsukamasu] to hit someone

頻りに[shikirini] frequently
一頻り[hitoshikiri] for a while
高頻度[kouhindo] high frequency
吹き頻る[fukishikiru] to blow violently
低頻度[teihindo] low frequency

頻死[hinshi] dying
頻出[hinshutsu] common
頻度[hindo] frequency
頻発[hinpatsu] frequency
頻繁[hinpan] frequent