| 100% | THE | 3 | "That'll be ___ day!" |
| 97% | IDIE | 4 | "This'll be the day that ___..." |
| 92% | WHENPIGSFLY | 11 | "That'll be the day!" |
| 92% | IWOULDNTBETONIT | 15 | "That'll be the day!" |
| 92% | IBET | 4 | "That'll be the day!" |
| 92% | HAH | 3 | "That'll be the day!" |
| 90% | BUDDYHOLLY | 10 | "That'll Be the Day" singer |
| 89% | DAVIDESSEX | 10 | "That'll Be the Day" star, 1974 |
| 89% | COLD | 4 | "That'll be a ___ day in hell!" |
| 86% | YORE | 4 | Those were the days |
| 84% | ESSEX | 5 | David —, singer and actor who starred as Jim MacLaine in 1973 film drama That’ll Be the Day |
| 81% | ALAS | 4 | "Ah, those were the days" |
| 78% | APR | 3 | Month that Tax Day is in: Abbr. |
| 78% | FRI | 3 | Work day that is sometimes "casual": Abbr. |
| 78% | SEP | 3 | Month that Labor Day is in: Abbr. |
| 78% | APR | 3 | Month that Tax Day is in (abbr.) |
| 78% | TUE | 3 | Night that "Happy Days" was on: Abbr. |
| 77% | WED | 3 | Day of the week that was named for Odin: Abbr. |
| 77% | IDES | 4 | Mid-March day that was bad for Caesar |
| 77% | LEFTOVERS | 9 | Food that was not eaten the day before |
| 77% | FRI | 3 | Day that God is often thanked for: Abbr. |
| 75% | IDES | 4 | Mid-March day that was bad for Julius Caesar |
| 75% | ROSES | 5 | Flowers that are often given on Valentine's Day |
| 74% | SOS | 3 | "Mamma Mia!" song that begins "Where are those happy days?" |
| 74% | MODEM | 5 | Computer accessory that was "dial-up" in the early days |
| 73% | ACOLD | 5 | "It'll be ___ day in hell ..." |
| 73% | IMAGINE | 7 | John Lennon song that ends, "I hope some day you'll join us / And the world will be as one" |
| 72% | THE | 3 | "Those were ___ days!" |
| 71% | GEL | 3 | Goop that can be helpful on a bad hair day |
| 69% | SWATCH | 6 | Company that introduced "Internet Time" where the day is divided into 1000 beats |