Compounds of 明かし

• 明かし
  (n) light (esp. as a religious offering)
  lamp
• 御明かし
  (n) lighted lamp (or candle, etc.) provided as a religious offering
• 種明かし
  (n,vs) disclosing the secret of a trick
• 目明かし
  (n) (Edo-period) police detective
• 夜明かし
  (n,vs) staying up all night
  all-night vigil