I decided to break the rut for today. So, althought the letter (the harf, you remember) is ''khe", I have picked a word which ends with the letter "khe" rather than one which begins with it. The word is "rukh", which variously means face, or visage, or direction.
Two sh'ers or couplets to explain the difference.
First, the one where "rukh" means 'image' or 'visage', by the brilliant, the genius poet Faiz Ahmed Faiz: