| 100% | CICADAS | 7 | Insects whose broods emerge at regular 13- or 17-year intervals |
| 31% | CICADAS | 7 | Insects that may emerge after 17 years |
| 29% | CICADAS | 7 | Noisy insects that might emerge every 17 years |
| 28% | SPACED | 6 | At regular intervals |
| 28% | REPEATEDLY | 10 | At regular intervals |
| 28% | KOTOS | 5 | Instruments with 13 or 17 strings |
| 27% | CYCLED | 6 | Recurred at regular intervals |
| 26% | MEALS | 5 | Food served at regular intervals |
| 26% | NUMBERLINE | 10 | *Depiction of integers at regular intervals |
| 25% | RONDEAU | 7 | Form of verse in which lines are repeated at regular intervals |
| 25% | ANNUITY | 7 | Sum of money paid at regular intervals |
| 25% | RRATED | 6 | For audiences 17 years or older: Hyph. |
| 24% | GNAT | 4 | Dipterous insect whose males often form clouds at dusk |
| 23% | PHENOM | 6 | Like a 13 year old at Harvard |
| 23% | CICADAS | 7 | 17-year insects |
| 23% | GRADE | 5 | Year at school or teacher's marking on a report |
| 22% | RONDEAU | 7 | Form of verse, originally French, in which lines are repeated at regular intervals |
| 21% | ONTHELINE | 9 | At stake ... or where you may find 17-, 24-, 38- and 50-Across |
| 21% | CREEK | 5 | "Schitt's ___," CBC sitcom whose characters are regulars at the Cafe Tropical |
| 21% | NERO | 4 | Emperor who ruled for more than 13 years, dying at age 30 |
| 21% | ART | 3 | Surprising discovery at the Lascaux cave that's 17,000 years old |
| 20% | AFI | 3 | Movie org. whose "100 Years ... 100 Thrills" list has 106-Down at #2 |
| 20% | CONNECTICUT | 11 | Name whose reading hints at 17- and 59-Across |
| 20% | PELE | 4 | 17-year-old sensation at the 1958 World Cup |
| 20% | CICADA | 6 | Insect that may live for 17 years |
| 20% | GLEE | 4 | Fox musical show starring Lea Michele, whose characters are regulars at The Lima Bean |
| 20% | TREE | 4 | "One ___ Hill," CW teen drama series whose characters are regulars at Karen's Cafe |
| 20% | BEARFRUIT | 9 | Be productive ... or what the answers at 17-, 25-, 53- and 63-Across do? |
| 20% | CICADAS | 7 | Insects on a 17-year cycle |
| 19% | CICADAS | 7 | Insects with a 17-year life cycle |