| Solution | Length | |
|---|---|---|
| 2 letters | ||
| BY | 2 | |
| 3 letters | ||
| per | 3 | |
| 4 letters | ||
| aprs | 4 | |
| ides | 4 | |
| LEET | 4 | |
| year | 4 | |
| 5 letters | ||
| annal | 5 | |
| daily | 5 | |
| every | 5 | |
| annum | 5 | |
| 6 letters | ||
| weekly | 6 | |
| hourly | 6 | |
| annual | 6 | |
| 7 letters | ||
| regular | 7 | |
| secular | 7 | |
| monthly | 7 | |
| DIURNAL | 7 | |
| tertian | 7 | |
| 8 letters | ||
| momently | 8 | |
| perannum | 8 | |
| BIWEEKLY | 8 | |
| annually | 8 | |
| biannual | 8 | |
| biennial | 8 | |
| 9 letters | ||
| perennial | 9 | |
| momentary | 9 | |
| bimonthly | 9 | |
| semestral | 9 | |
| quarterly | 9 | |
| regularly | 9 | |
| centenary | 9 | |
| triennial | 9 | |
| quotidian | 9 | |
| decennial | 9 | |
| menstrual | 9 | |
| 10 letters | ||
| per annum | 10 | |
| hebdomadal | 10 | |
| catamenial | 10 | |
| centennial | 10 | |
| SEMIYEARLY | 10 | |
| SEMIWEEKLY | 10 | |
| SEMIANNUAL | 10 | |
| 11 letters | ||
| fortnightly | 11 | |
| SEMIMONTHLY | 11 | |
| perennially | 11 | |
| 12 letters | ||
| birthdaycake | 12 | |
| 15 letters | ||
| year-after-year | 15 | |