| 01. opción (6 Letters) | 02. opción sobre acciones (21 Letters) | 03. open (4 Letters) |
| 04. opera (5 Letters) | 05. operable (8 Letters) | 06. operacion (9 Letters) |
| 07. operacional (11 Letters) | 08. operación (9 Letters) | 09. operación cesárea (17 Letters) |
| 10. operador (8 Letters) | 11. operador turístico (18 Letters) | 12. operante (8 Letters) |
| 13. operar (6 Letters) | 14. operario (8 Letters) | 15. operatividad (12 Letters) |
| 16. operativo (9 Letters) | 17. operatorio (10 Letters) | 18. opercular (9 Letters) |
| 19. operculo (8 Letters) | 20. opereta (7 Letters) | 21. operista (8 Letters) |
| 22. operistico (10 Letters) | 23. operística (10 Letters) | 24. operístico (10 Letters) |
| 25. opérculo (8 Letters) | 26. opiaceo (7 Letters) | 27. opiado (6 Letters) |
|
| 28. opiata (6 Letters) | 29. opiata (6 Letters) | 30. opiato (6 Letters) |
| 31. opiácea (7 Letters) | 32. opiáceo (7 Letters) | 33. opilacion (9 Letters) |
| 34. opilación (9 Letters) | 35. opilar (6 Letters) | 36. opilativo (9 Letters) |
| 37. opimo (5 Letters) | 38. opinable (8 Letters) | 39. opinante (8 Letters) |
| 40. opinar (6 Letters) | 41. opinion (7 Letters) | 42. opinión (7 Letters) |
| 43. opinión pública (15 Letters) | 44. opio (4 Letters) | 45. opiomano (8 Letters) |
| 46. opiómana (8 Letters) | 47. opiómano (8 Letters) | 48. opipara (7 Letters) |
| 49. opiparamente (12 Letters) | 50. opiparo (7 Letters) | 51. opistodomo (10 Letters) |
| 52. opitulacion (11 Letters) | 53. opitulación (11 Letters) | 54. opípara (7 Letters) |
| 55. opíparamente (12 Letters) | 56. opíparo (7 Letters) | 57. oploteca (8 Letters) |
| 58. opo- (4 Letters) | 59. opobalsamo (10 Letters) | 60. opobálsamo (10 Letters) |
|