注射

N1 放射 housha radiation, emission N1 放射能 houshanou radioactivity N1 反射 hansha reflection, reverberation N2 陽射 hizashi sunlight, rays of the sun N3 注す sasu pour, serve liquid N3 射す sasu shine on, cast light N3 注ぐ sosogu pour, flow into, devote effort N3 注 chuu note, annotation, comment N3 注目 chuumoku attention, focus, notice

N4 注 chuu / soso.gu, sa.su, tsu.gu pour, irrigate, shed (tears) N1 射 sha / i.ru, sa.su, u.tsu shoot, shine into, onto