課長

N1 長々 naganaga long, drawn-out, very long N1 年長 nenchou seniority N1 課外 kagai extracurricular N1 長官 choukan chief, (government) secretary N1 長編 chouhen long (e.g., novel, film) N2 ～長 ～chou leader, head N2 延長 enchou extension, prolongation N2 課税 kazei taxation N2 長～ chou～ long ~

N2 課 ka chapter, lesson, section N5 長 chou / naga.i, osa long, leader, superior