| 100% | ORK | 3 | Planet first mentioned on "Happy Days" |
| 53% | CHACHI | 6 | Baio on Happy Days |
| 52% | ERINMORAN | 9 | Played Joanie on Happy Days |
| 51% | MORK | 4 | TV character first seen on "Happy Days" |
| 50% | ANSON | 5 | Williams who played Potsie on Happy Days |
| 49% | SUZI | 4 | Singer Quatro who played Leather Tuscadero on Happy Days |
| 46% | STARTDATE | 9 | First day on the job |
| 46% | HENRY | 5 | Winkler who jumped over a shark on Happy Days and Arrested Development |
| 44% | STARTDATE | 9 | First day on the job, for example |
| 44% | EDEN | 4 | First place on Earth mentioned in the Bible |
| 44% | LABOR | 5 | Day celebrated on the first Monday of September |
| 44% | OPINED | 6 | Mentioned old conifer on the day |
| 43% | LEASED | 6 | Hired new easel on first day |
| 43% | JOANBAEZ | 8 | *Singer on the first day of Woodstock |
| 43% | SHANATOVA | 9 | Greeting on the first day of Tishri |
| 43% | ASHES | 5 | Symbol on the first day of Lent |
| 43% | APRIL | 5 | People fool around on its first day |
| 42% | VENUS | 5 | On this planet, a day lasts longer than a year |
| 42% | LIGHT | 5 | Something created by God on the first day |
| 42% | ASHES | 5 | Symbol bestowed on the first day of Lent |
| 42% | CACHET | 6 | Design on many first day of issue envelopes |
| 42% | PARTRIDGE | 9 | Bird given on the first day of Christmas |
| 42% | APRIL | 5 | You may be fooled on its first day |
| 41% | NEWKID | 6 | Object of curiosity on the first day of school |
| 41% | ASHES | 5 | They're bestowed on the first day of Lent |
| 41% | APRIL | 5 | A lot of pranks happen on its first day |
| 41% | SYLLABUS | 8 | Professor's handout on the first day of class |
| 41% | THEFONZ | 7 | Cool guy on “Happy Days” |
| 40% | BASICS | 6 | They might be covered on your first day of employment |
| 40% | RAVI | 4 | He performed before Melanie on the first day of Woodstock |