Play word 入りタイマー 入りタイマー いりタイマー on timer (i.e. to automatically turn an electrical device on at a certain time)
Play word 入り繰り 入り繰り いりくり incorrect assignment (e.g. entering against the wrong account, delivering to the wrong location)
Play word 入れ換え戦 入れ換え戦 いれかえせん match-up between wrestlers from different divisions who will probably 'switch' divisions in new ranking