| 100% | YRS | 3 | People's ages are measured in them: Abbr. |
| 53% | ICUS | 4 | People are closely watched in them: Abbr. |
| 53% | ACRES | 5 | Fields are measured in them |
| 53% | WEEKS | 5 | Trimesters are measured in them |
| 52% | YRS | 3 | Units in which ages are typically measured: Abbr. |
| 52% | TREE | 4 | Its age is measured in rings |
| 50% | LIGHT | 5 | With 3-Down, vast distances are measured in them |
| 49% | KMS | 3 | Distance may be measured in this unit: Abbr. |
| 47% | MPH | 3 | How car speeds are measured in the US: Abbr. |
| 47% | WGT | 3 | It may be measured in kgs or lbs: Abbr. |
| 47% | AARP | 4 | US interest group whose mission is "to empower people to choose how they live as they age.": Abbr. |
| 47% | ACS | 3 | Coolers whose power is measured in BTUs: Abbr. |
| 47% | YRS | 3 | Units that ages are typically expressed in: Abbr. |
| 46% | AREAS | 5 | They may be measured in acres |
| 46% | AREAS | 5 | They may be measured in square miles |
| 44% | SGTS | 4 | They may be in a mess: Abbr. |
| 44% | OZS | 3 | 16 of them are in a pound: Abbr. |
| 43% | HANDAXES | 8 | They were striking in the Stone Age |
| 42% | RVS | 3 | They may be parked in a park: Abbr. |
| 42% | ACS | 3 | They might be set in windows: Abbr. |
| 41% | IDEAS | 5 | In cartoons they are symbolized as light bulbs over people's heads |
| 41% | YRS | 3 | There are 1,000 of them in a millennium: Abbr. |
| 41% | LBS | 3 | There are 2,000 of them in a ton: Abbr. |
| 41% | HRS | 3 | There are 8,760 of them in a year: Abbr. |
| 41% | YDS | 3 | There are 1,760 of them in a mile: Abbr. |
| 41% | EST | 3 | One in 10 people being left-handed, e.g.: Abbr. |
| 41% | SAFEENVIRONMENT | 15 | People are protected when they're in it |
| 41% | DOGYEARS | 8 | What terriers' ages might be measured in |
| 41% | ICU | 3 | People in this are watched closely: Abbr. |
| 41% | ORS | 3 | People who are in them are out, in brief |