| Part of speech | verb |
|---|---|
| Hyphenation | per·fid·i |
| Indicative mood | |
|---|---|
| Present tense | perfidas |
| Past tense | perfidis |
| Future tense | perfidos |
| Conditional mood | |
| perfidus | |
| Imperative mood | |
| perfidu | |
| Participles | ||
|---|---|---|
| Active participles | Passive participles | |
| Present tense | perfidanta | perfidata |
| Past tense | perfidinta | perfidita |
| Future tense | perfidonta | perfidota |
| Afrikaans | verraai |
|---|---|
| Catalan | trair |
| Czech | prozradit; zradit |
| Dutch | in de steek laten; verraden |
| English | betray; go back on |
| Finnish | pettää |
| French | trahir |
| German | verraten |
| Norwegian | forråde |
| Papiamento | traishoná |
| Portuguese | atraiçoar; trair |
| Saterland Frisian | ferklikke; ferräide |
| Spanish | traicionar |
| Sranan | tori |
| Swedish | förråda |
| West Frisian | ferriede |