sorry for doing; apologize for doing

sorry! (in apology, more formal than ごめんなさい (gomennasai)) / excuse me! (attempting to get someone's attention) / thank you! (in the case of someone having done something for you)

to be late, to be tardy / to become late, to fall behind

The hiragana syllable げ (ge) or the katakana syllable ゲ (ge) in Japanese braille.