| 100% | ERA | 3 | Historical period of time, for one |
| 94% | ERA | 3 | Historical period of time, Victorian, for one |
| 74% | ERA | 3 | A period of time, Victorian, for one |
| 67% | ERA | 3 | Historical period of time |
| 65% | ERA | 3 | Significant historical period of time |
| 65% | ERA | 3 | Long, historical period of time |
| 64% | ERA | 3 | A long, historical period of time |
| 61% | ERA | 3 | Period of time often named for a president |
| 60% | EON | 3 | Period of time roughly equivalent to one billion years |
| 60% | MONTH | 5 | Period of time that lasts about one lunar cycle |
| 60% | EON | 3 | Period of time from the Greek word for "life" |
| 59% | EONS | 4 | Periods of time that can last for billions of years |
| 58% | ERA | 3 | Period of time that may be named for a king or queen |
| 56% | ERA | 3 | Time period of historical significance |
| 56% | ERA | 3 | Significant stretch of time like Victorian, for one |
| 56% | ERAS | 4 | Time periods of great historical significance |
| 56% | BRIEFLY | 7 | For a short period of time |
| 56% | OVERTHELONGHAUL | 15 | For an extended period of time |
| 56% | OVERTHELONGRUN | 14 | For an extended period of time |
| 55% | ERA | 3 | Historical time frame (consists of three periods) |
| 55% | EON | 3 | Time period, or an anagram of one? |
| 54% | YRS | 3 | Time periods consisting of twelve months, for short |
| 52% | RADNER | 6 | One of the original Not Ready for Prime Time Players |
| 52% | MIDDLE | 6 | ___ Ages, historical period known for the setting of "Vikings: Valhalla" and "The King" |
| 52% | REGENCY | 7 | ___ era, historical period known for the setting of "Bridgerton" and "Pride and Prejudice" |
| 51% | BUDGET | 6 | Financial plan for a period of time |
| 51% | TUDOR | 5 | ___ era, historical period known for being the setting of "Anne Boleyn" and "Wolf Hall" |
| 51% | WEEK | 4 | Period of time |
| 51% | SPELL | 5 | Period of time |
| 51% | EPOCH | 5 | Period of time |