訓練【くんれん】
training, drill, practice, discipline
教訓【きょうくん】
lesson, precept, teachings, moral
特訓【とっくん】
special training, intensive training, crash course
訓【くん】
native Japanese reading of a Chinese character, precept, lesson, one's teachings
訓令【くんれい】
directive, instructions
訓戒【くんかい】
warning, admonition, lesson or a phrase that teaches you not to do something
音訓【おんくん】
kanji readings