JLPT-N2
to plunge into
込 こ
込むto be crowded申し込むto apply for思い込むto be under impression that突っ込むto plunge into溶け込むto melt into飛び込むto jump in払い込むto deposit引っ込むto draw back打ち込むto drive in (e.g. nail stake)埋め込むto bury追い込むto herd押し込むto push into落ち込むto fall into組み込むto insert込めるto include飲み込むto gulp down乗り込むto board放り込むto throw into見込みhope申し込みapplication割り込むto cut in