| 100% | DORMOUSE | 8 | Nocturnal rodent that hibernates for long periods |
| 49% | DORMOUSE | 8 | Nocturnal rodent with long hibernation period |
| 42% | DORMICE | 7 | Rodents that hibernate |
| 40% | ASEA | 4 | Like some explorers, for long periods |
| 39% | ASEA | 4 | Like Magellan, for long periods |
| 34% | COLDCASE | 8 | Crime that has gone unsolved for a long period |
| 33% | OTS | 3 | Periods that aren't usually added, for short? |
| 33% | RATS | 4 | Rodents with long tails that rhyme with "cats" |
| 33% | ERA | 3 | Period that may be named for a president |
| 33% | PROS | 4 | Those who are no longer amateurs, for short |
| 33% | HAMSTERWHEEL | 12 | Rodent amenity that’s a metaphor for unending futility |
| 33% | YRS | 3 | Periods that last 365 (or 366) days, for short |
| 33% | LIMO | 4 | Long car that's often rented for a wedding |
| 33% | LIMO | 4 | Long car that's rented for an awards show |
| 33% | ERA | 3 | Period that may be named for a music genre |
| 32% | OWLS | 4 | Nocturnal birds that are the team name for Temple University |
| 32% | LIMO | 4 | Long car that's often rented for proms, for short |
| 32% | EONS | 4 | Periods of time that can last for billions of years |
| 32% | YRS | 3 | Periods that end on the 31st of December, for short |
| 32% | SHAGGYDOG | 9 | Long story that's interesting only for the teller: Hyph. |
| 32% | MARATHON | 8 | Long race that used to be the name for Snickers |
| 32% | HRS | 3 | Time periods that are 60 minutes long: Abbr. |
| 32% | OLD | 3 | Something that has survived for a long time |
| 32% | TODOLISTS | 9 | Things that get longer and longer for procrastinators |
| 31% | HOE | 3 | Long-handled tool that a gardener uses for weeding the garden |
| 31% | DAY | 3 | Period on Venus that's longer than a year on Venus (!) |
| 31% | OTS | 3 | 10-minute NFL periods, if they last that long |
| 31% | BANQUETTE | 9 | Name for a bench that's long and upholstered |
| 31% | SWAN | 4 | Graceful long-necked bird that usually mates for life |
| 31% | ERA | 3 | Historical period that may be named for a president |