| 01. a campo raso (12 Letters) | 02. a campo través a campo traviesa a campo travieso (48 Letters) | 03. a canto al canto (16 Letters) |
| 04. a capela (8 Letters) | 05. a cara ceca (11 Letters) | 06. a cara descubierta (18 Letters) |
| 07. a carcajada tendida (19 Letters) | 08. a carga cerrada (15 Letters) | 09. a cargas (8 Letters) |
| 10. a cargo de (10 Letters) | 11. a carona (8 Letters) | 12. a carrera abierta a carrera tendida a la carrera (48 Letters) |
| 13. a carretadas (12 Letters) | 14. a carta cabal (13 Letters) | 15. a casa hita (11 Letters) |
| 16. a caso hecho (12 Letters) | 17. a casquete quitado (18 Letters) | 18. a causa de (10 Letters) |
| 19. a cántaros (10 Letters) | 20. a cegarritas (12 Letters) | 21. a cencerros tapados (19 Letters) |
| 22. a centenadas (12 Letters) | 23. a centenares (12 Letters) | 24. a cepa revuelta (15 Letters) |
| 25. a cepillo (9 Letters) | 26. a cercén (8 Letters) | 27. a cero (6 Letters) |
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| 28. a chaleco (9 Letters) | 29. a chorro (8 Letters) | 30. a chorros (9 Letters) |
| 31. a ciclostil (11 Letters) | 32. a ciclostilo (12 Letters) | 33. a ciegas (8 Letters) |
| 34. a cielo abierto (15 Letters) | 35. a cielo descubierto (19 Letters) | 36. a cien (6 Letters) |
| 37. a ciencia y paciencia (21 Letters) | 38. a cierra ojos (13 Letters) | 39. a cobro revertido (17 Letters) |
| 40. a cola de milano (16 Letters) | 41. a colmo (7 Letters) | 42. a comienzo a comienzos de (25 Letters) |
| 43. a comienzo de comienzo (22 Letters) | 44. a competencia (13 Letters) | 45. a con todo gañote el gañote (27 Letters) |
| 46. a conciencia (12 Letters) | 47. a consecuencia de (17 Letters) | 48. a contento (10 Letters) |
| 49. a contracorriente (17 Letters) | 50. a contrahílo (12 Letters) | 51. a contralecho (13 Letters) |
| 52. a contramano (12 Letters) | 53. a contrapelo (12 Letters) | 54. a contrapié (11 Letters) |
| 55. a contratiempo (14 Letters) | 56. a corazón abierto (17 Letters) | 57. a corazón abierto (17 Letters) |
| 58. a cordel (8 Letters) | 59. a coro (6 Letters) | 60. a corso (7 Letters) |
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