| 100% | ENDDATE | 7 | When a time period concludes |
| 66% | ENDDATE | 7 | When a given time period is over |
| 66% | YOUTH | 5 | Time period when a person is young |
| 58% | ERA | 3 | A period of time, usually mentioned when talking about the past |
| 55% | CENTURY | 7 | A time period of 100 years |
| 54% | ICEAGE | 6 | A time period marked by global glaciation |
| 53% | SPAN | 4 | Complete duration of a time period |
| 52% | COCOBUTTERA | 11 | Informal term for the period of time when comedian O'Brien had a historically significant bottom? |
| 52% | RAINFALL | 8 | Amount of precipitation over a timed period |
| 52% | ERA | 3 | Time period with a name |
| 51% | HARVEST | 7 | Time period when crops are collected |
| 51% | YTD | 3 | Time period on a financial stmt. |
| 51% | ERA | 3 | Time period in a history book |
| 51% | ERA | 3 | Time period named after a president |
| 51% | CHUKKERS | 8 | Time periods in a polo match |
| 50% | ERA | 3 | Laundry detergent brand that sounds like a time period |
| 50% | ETHOS | 5 | The central beliefs of a time period or community |
| 50% | STONEAGE | 8 | Time period when humans made early tools |
| 50% | ERA | 3 | Time period that may have a name |
| 50% | YTD | 3 | Time period for a C.F.O. |
| 50% | ERA | 3 | Time period often named for a president |
| 50% | ERA | 3 | Time period studied by a historian, perhaps |
| 50% | ERA | 3 | Time period often named for a monarch |
| 50% | MENOPAUSE | 9 | When a woman ceases having menstrual periods |
| 49% | ERA | 3 | Time period often named for a music genre |
| 49% | ERA | 3 | Time period that's often given a name |
| 49% | ERA | 3 | A period of time |
| 48% | ERA | 3 | Time period that may be named for a president |
| 48% | ERA | 3 | Time period that may be named for a leader |
| 48% | ERA | 3 | Time period that may be named for a dynasty |