12 Letter Words Ending in ISM

Making a list of 12 letter words that end in ISM was so easy for us, we decided to eat a sandwich while you perused the list. We're so confident that these words that end in ISM and 12 letter words are all top-tier, we even did the dishes, too. Don't forget to look at 12 letter words that start with ISM and all the 12 letter words with ISM — we need a bathroom break.

12 letter words

  1. ahistoricism
  2. anisotropism
  3. antisemitism
  4. apocalyptism
  5. astrotourism
  6. automobilism
  7. causationism
  8. collegialism
  9. connubialism
  10. cremationism
  11. desperadoism
  12. dissyllabism
  13. doctrinarism
  14. dyotheletism
  15. ecotarianism
  16. endothermism
  17. expatriatism
  18. filiopietism
  19. fraternalism
  20. gregarianism
  21. guerrillaism
  22. gynodioecism
  23. hobgoblinism
  24. homothallism
  25. hypognathism
  26. idiomorphism
  27. mesognathism
  28. mesomorphism
  29. metagnathism
  30. newspaperism
  31. operationism
  32. pansexualism
  33. paragnathism
  34. parapsychism
  35. patristicism
  36. perpetualism
  37. polydemonism
  38. polytonalism
  39. pragmaticism
  40. propheticism
  41. psychoticism
  42. rheomorphism
  43. scapegoatism
  44. sensationism
  45. standpattism
  46. synecdochism
  47. syntheticism
  48. theocentrism
  49. trinomialism
  50. ultraleftism
  51. ultrarealism
  52. whataboutism
  53. zoomagnetism