警部

N1 内部 naibu interior, inside, internal N1 一部分 ichibubun a part, a portion N1 幹部 kambu management, executive N1 警戒 keikai warning, admonition, vigilance N1 大部 taibu most (e.g., most part, greater, fairly, a good deal, much) N1 部下 buka one's subordinate N1 部門 bumon class, group, category, department, field, branch N2 ～部 ～bu ~ part N2 外部 gaibu the outside, external

N3 警 kei / imashi.meru admonish, commandment, réprimander N3 部 bu / -be section, bureau, dept