| 100% | SUGAR | 5 | Doubled, a 1969 #1 hit song |
| 63% | ONE | 3 | "The loneliest number," in a 1969 hit song |
| 57% | IKO | 3 | When doubled, a hit song of 1965 and 1989 |
| 55% | JETPLANE | 8 | Mode of transportation in a 1969 #1 hit |
| 54% | MONY | 4 | When doubled, a Billy Idol #1 hit |
| 53% | USSR | 4 | Country in a 1969 Beatles song |
| 53% | NANANANA | 8 | Part of the refrain before "hey hey hey" in a 1969 #1 song |
| 51% | MOPSILOVEYOU | 12 | Hit song by a Beatles janitor? |
| 50% | SHARONA | 7 | Title girl in a 1979 #1 hit song |
| 50% | BREATH | 6 | No. 1 hit song by the Police: "Every __ You Take" |
| 49% | UMBRELLA | 8 | Hit song by Rihanna with a weather theme |
| 49% | BOOLA | 5 | When doubled, a Yale football song |
| 49% | MONY | 4 | When doubled, a #3 hit of 1968 or a #1 hit of 1987 |
| 49% | LEG | 3 | AC/DC hit song "Shake a ___" |
| 49% | OHSANTA | 7 | Mariah Carey holiday song that was a #1 Adult Contemporary hit |
| 48% | SHALLOW | 7 | Hit song from 2018's A Star Is Born |
| 48% | LOUIE | 5 | Doubled, a 1963 hit for the Kingsmen |
| 48% | GUN | 3 | Aerosmith hit song "Janie's Got a ___" |
| 48% | THOUSAND | 8 | Vanessa Carlton's hit song, A __ Miles |
| 48% | GHETTO | 6 | Area in a 1969 Elvis Presley hit |
| 48% | ONE | 3 | "The loneliest number," in a 1969 hit |
| 48% | COMETOGETHER | 12 | 1969 #1 Beatles song that was subject of a Chuck Berry plagiarism lawsuit: 2 wds. |
| 47% | SOMEDAY | 7 | 1990 Mariah Carey #1 hit song |
| 47% | FANTASY | 7 | 1995 Mariah Carey #1 hit song |
| 47% | RUDE | 4 | Impolite, also a hit MAGIC! song |
| 47% | ONSECOND | 8 | Having hit a double |
| 46% | HELLO | 5 | Adele's hit song that's a common greeting |
| 46% | SYNE | 4 | End of a 1/1 song |
| 46% | ATISKETATASKET | 14 | Hit song by 48-Across based on a nursery rhyme (2 wds.) |
| 46% | OMG | 3 | 2010 Usher hit song that's also a text abbreviation |