Compounds of 焉

• 終焉
  (n) demise
  (P)
• 焉んぞ
  (int) (uk) how
  why
• 烏焉魯魚
  (n) miswriting a word
  using the wrong kanji to write a word
• 心焉に在らず
  (exp) there in body, but not in spirit
  distracted
  in one ear and out the other
• 心焉に在らざれば視れども見えず
  (exp) (id) The eye is blind if the mind is absent