| Answer | Crossword Clue |
|---|---|
| pentad | period of five consecutive days |
| pentads | period of five consecutive days |
| novenas | a Roman Catholic period of prayer lasting nine consecutive days |
| trentals | series of 30 Requiems celebrated one each day for 30 consecutive days |
| trental | series of 30 Requiems celebrated one each day for 30 consecutive days |
| quartans | (of a fever, ague, etc.) characterized by paroxysms that recur every fourth day, both days of consecutive occurrence being counted |
| quartan | (of a fever, ague, etc.) characterized by paroxysms that recur every fourth day, both days of consecutive occurrence being counted |
