| 01. iroques (7 Letters) | 02. iroquesa (8 Letters) | 03. iroqués (7 Letters) |
| 04. irónica (7 Letters) | 05. irónicamente (12 Letters) | 06. irónico (7 Letters) |
| 07. irracionabilidad (16 Letters) | 08. irracionable (12 Letters) | 09. irracionablemente (17 Letters) |
| 10. irracional (10 Letters) | 11. irracionalidad (14 Letters) | 12. irracionalismo (14 Letters) |
| 13. irracionalista (14 Letters) | 14. irracionalmente (15 Letters) | 15. irradia (7 Letters) |
| 16. irradiacion (11 Letters) | 17. irradiación (11 Letters) | 18. irradiador (10 Letters) |
| 19. irradial (8 Letters) | 20. irradiar (8 Letters) | 21. irrazonable (11 Letters) |
| 22. irreal (6 Letters) | 23. irrealidad (10 Letters) | 24. irrealizable (12 Letters) |
| 25. irrebatible (11 Letters) | 26. irreconciliable (15 Letters) | 27. irreconocible (13 Letters) |
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| 28. irrecusable (11 Letters) | 29. irredenta (9 Letters) | 30. irredentismo (12 Letters) |
| 31. irredentista (12 Letters) | 32. irredento (9 Letters) | 33. irredimible (11 Letters) |
| 34. irreducible (11 Letters) | 35. irreductibilidad (16 Letters) | 36. irreductible (12 Letters) |
| 37. irreductiblemente (17 Letters) | 38. irreemplazable (14 Letters) | 39. irreflexion (11 Letters) |
| 40. irreflexión (11 Letters) | 41. irreflexiva (11 Letters) | 42. irreflexivamente (16 Letters) |
| 43. irreflexivo (11 Letters) | 44. irrefragable (12 Letters) | 45. irrefragablemente (17 Letters) |
| 46. irrefrenable (12 Letters) | 47. irrefutable (11 Letters) | 48. irreglamentable (15 Letters) |
| 49. irregular (9 Letters) | 50. irregularidad (13 Letters) | 51. irregularmente (14 Letters) |
| 52. irreivindicable (15 Letters) | 53. irrelevancia (12 Letters) | 54. irrelevante (11 Letters) |
| 55. irreligion (10 Letters) | 56. irreligiosamente (16 Letters) | 57. irreligiosidad (14 Letters) |
| 58. irreligioso (11 Letters) | 59. irreligión (10 Letters) | 60. irremediable (12 Letters) |
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