LONGEST WORDS YOU CAN SPELL WITH STATE ABBREVIATIONS (➕)

I have a few 8-letter long ones. Can anyone go longer?
  1. INKY
  2. LAVA
  3. WAIL
  4. FLORAL
  5. ARCANE
  6. INCOME
  7. MANDARIN
  8. COALMINE
    Suggested by   @gcowles
  9. MEGAMIND
    Suggested by   @gcowles
  10. IN-DEMAND
    Suggested by   @gcowles