| Present | Preterite | |
|---|---|---|
| Indicative | ||
| 1st person | (ic) fiðerce | (ic) fiðercede |
| 2nd person | (þū) fiðercest | (þū) fiðercedest |
| 3rd person | (hē/hēo/hit) fiðercaþ | (hē/hēo/hit) fiðercede |
| Plural | (wē/gē/hīe) fiðercaþ | (wē/gē/hīe) fiðercedon |
| Subjunctive | ||
| Singular | fiðerce | fiðercede |
| Plural | fiðercen | fiðerceden |
| Participles | ||
| Plural | fiðercende | gefiðerced |
| Imperative | ||
| Singular | fiðerce | - |
| Plural | fiðercaþ | - |
| Inflected Infinitive | ||
| fiðercan | ||