Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | insidiosus |
| Gen. | insidiosi |
| Dat. | insidioso |
| Acc. | insidiosum |
| Abl. | insidioso |
| Voc. | insidiose |
| PLURIEL |
| Nom. | insidiosi |
| Gen. | insidiosōrum |
| Dat. | insidiosis |
| Acc. | insidiosos |
| Abl. | insidiosis |
| Voc. | insidiosi |
| SINGULIER |
| Nom. | insidiosă |
| Gen. | insidiosae |
| Dat. | insidiosae |
| Acc. | insidiosam |
| Abl. | insidiosā |
| Voc. | insidiosă |
| PLURIEL |
| Nom. | insidiosae |
| Gen. | insidiosārum |
| Dat. | insidiosis |
| Acc. | insidiosas |
| Abl. | insidiosis |
| Voc. | insidiosae |
| SINGULIER |
| Nom. | insidiosum |
| Gen. | insidiosi |
| Dat. | insidioso |
| Acc. | insidiosum |
| Abl. | insidioso |
| Voc. | insidiosum |
| PLURIEL |
| Nom. | insidiosa |
| Gen. | insidiosōrum |
| Dat. | insidiosis |
| Acc. | insidiosa |
| Abl. | insidiosis | |