ACROSS

  1. MISTLETOE (9)
  2. SCROOGE (7)
  3. ADVENT (6)
  4. CRACKER (7)
  5. NATIVITY (8)

DOWN

  1. SAINT NICHOLAS (5,8)
  2. TINSEL (6)
  3. ROBIN (5)
  4. RUDOLF (7)
  5. ELF (3)