| Sg | Pl | |
| 1st | ? (rule) | eyðum (rule) |
| 2nd | ?r (rule) | eyðið (rule) |
| 3rd | ?r (rule) | eyða (rule) |
| Sg | Pl | |
| 1st | ?a (rule) | ?um (rule) |
| 2nd | ?ir (rule) | ?uð (rule) |
| 3rd | ?i (rule) | ?u (rule) |
| Sg | Pl | |
| 1st | eyðumk (rule) | eyðumk (rule) |
| 2nd | ?sk (rule) | eyðizk (rule) |
| 3rd | ?sk (rule) | eyðask (rule) |
| Sg | Pl | |
| 1st | ?umk (rule) | ?umsk (rule) |
| 2nd | ?isk (rule) | ?uzk (rule) |
| 3rd | eyddisk (rule) | ?usk (rule) |
| Sg | Pl | |
| 1 | eyða (rule) | eyðim (rule) |
| 2 | eyðir (rule) | eyðið (rule) |
| 3 | eyði (rule) | eyði (rule) |
| Sg | Pl | |
| 1 | ?a (rule) | ?im (rule) |
| 2 | ?ir (rule) | ?ið (rule) |
| 3 | ?i (rule) | ?i (rule) |
| Form | |
| Participle | eyðandi (rule) |
| Past participle | ?r (rule) |
| Middle infinitive | eyðask (rule) |
| Sg | |
| 2nd | eyð (rule) |