| 100% | EVOLVE | 6 | Develop and change over a period of time |
| 59% | WATCHING | 8 | Observing, looking at over a period of time |
| 59% | STAGGER | 7 | Spread over a period of time |
| 59% | AMASS | 5 | Accumulate over a period of time |
| 59% | LEADON | 6 | Deceive over a period of time |
| 57% | HONE | 4 | Get better or perfect over a period of time |
| 56% | STIR | 4 | Mix repeatedly over a period of time, so as to avoid "clumping" |
| 55% | HONE | 4 | Refine a skill over a period of time |
| 55% | EVOLVE | 6 | Develop and change gradually over time |
| 49% | ERA | 3 | A period of time |
| 49% | EVOLVE | 6 | To develop gradually and over time, change |
| 48% | ERODE | 5 | Wear away over a long period of time |
| 48% | PROJECT | 7 | Something worked on for a period of time |
| 48% | FASTING | 7 | Abstaining from food for a period of time |
| 48% | FASTING | 7 | Going without food for a period of time |
| 48% | ERA | 3 | A period of time in history |
| 47% | ERA | 3 | A period of time of great importance |
| 47% | ERA | 3 | A period of time, Victorian, for one |
| 46% | RAINFALL | 8 | Amount of precipitation over a timed period |
| 46% | BUDGET | 6 | Financial plan for a period of time |
| 45% | YEAR | 4 | Period of time on a calendar |
| 45% | WEEK | 4 | Period of time on a calendar |
| 45% | STINT | 5 | Period of time at a job |
| 45% | ERA | 3 | A period of time, usually mentioned when talking about the past |
| 45% | ERA | 3 | Detergent whose name is also a period of time |
| 45% | TWILIGHT | 8 | Period of time between sunset and sunrise |
| 45% | REST | 4 | A period of relaxing and winding down |
| 44% | ERA | 3 | Period of time often named for a president |
| 44% | STINT | 5 | Period of time spent at a particular job |
| 44% | EON | 3 | ___ Productions (James Bond film company, named for a period of time) |