| 1. | In absurde locutum | |
| 2. | In acie novaculae | |
| 3. | In aere meo est | |
| 4. | In aere piscari, venari in mari | |
| 5. | In agro surculario capras | |
| 6. | In alieno choro pedem ponere | |
| 7. | In alieno foro litigare | |
| 8. | In alio mundo | |
| 9. | In angulo | |
| 10. | In antro Trophonii vaticinatus est | |
| 11. | In antrum haud legitimum stimulum impingis | |
| 12. | In anulo dei figuram ne gestato | |
| 13. | In apes irruisti | |
| 14. | In Aphannis | |
| 15. | In aqua haeret | |
| 16. | In aqua scribis | |
| 17. | In aqua sementem facis | |
| 18. | In arduis cunctanter agendum | |
| 19. | In area latitas | |
| 20. | In armis accissat | |