| 100% | ONEHOUR | 7 | Development period, perhaps |
| 66% | INCUBATION | 10 | Development period |
| 61% | INITIAL | 7 | Period preceder, perhaps |
| 58% | PHASES | 6 | Periods of development |
| 57% | IRONAGE | 7 | Period in human development |
| 57% | LATENCY | 7 | Period of concealed development |
| 57% | EVE | 3 | Party preparation period, perhaps |
| 57% | DIZZYSPELL | 10 | Period of instability, perhaps |
| 55% | BELLEEPOQUE | 11 | Period of high artistic development |
| 55% | TVTIME | 6 | Period following homework completion, perhaps |
| 55% | TIED | 4 | Needing an overtime period, perhaps |
| 55% | DETENTES | 8 | Periods of de-escalation, perhaps |
| 54% | GESTATION | 9 | Period associated with in vitro development |
| 54% | ERA | 3 | Period named for a monarch, perhaps |
| 54% | ERA | 3 | Period associated with a president, perhaps |
| 54% | HALFDAY | 7 | Part-timer's work period, perhaps |
| 53% | ERAS | 4 | Periods named for football coaches, perhaps |
| 52% | HALFDAY | 7 | Part-timer's work period, perhaps (Hyph.) |
| 52% | LASTMONTH | 9 | Period covered by a utility bill, perhaps |
| 52% | HOMEROOM | 8 | Spot for one’s first period, perhaps |
| 52% | METIME | 6 | Period of well-earned self-indulgence, perhaps |
| 50% | REZONE | 6 | Ready for development, perhaps |
| 49% | ERA | 3 | Time period studied by a historian, perhaps |
| 46% | TUMMYTIME | 9 | Important period in early development for building neck strength |
| 44% | REZONE | 6 | Designate for new commercial development, perhaps |
| 43% | ERA | 3 | Time period named for a sports franchise's head coach, perhaps |
| 42% | SPAN | 4 | Word with "time" to indicate a period of someone's life, perhaps |
| 41% | DOWNTIME | 8 | *Period after a crash, perhaps |
| 39% | BETA | 4 | ___ testing (period of software development) |
| 38% | BELLE | 5 | ___ Époque (period of high artistic development) |