| One of the seven | 16 |
| One of the seven arts | 21 |
| One of the seven basic tastes | 29 |
| One of the seven continents | 27 |
| One of the seven conts. | 23 |
| One of the seven deadlies | 25 |
| One of the seven deadly sins | 28 |
| One of the Seven Duffs at Duff Gardens | 38 |
| One of the Seven Dwarfs | 23 |
| One of the Seven Hills | 22 |
| One of the seven hills of Rome | 30 |
| One of the seven principles of Kwanzaa | 38 |
| One of the Seven Sages of ancient Greece | 40 |
| One of the Seven Sages of Greece | 32 |
| One of the Seven Sisters | 24 |
| One of the Seven Sisters colleges | 33 |
| One of the Seven Sisters of the petroleum industry | 50 |
| One of the Seven Sisters schools | 32 |
| One of the Seven Wise Men | 25 |
| One of the Seven Wise Men of ancient Greece | 43 |
| One of the Seven Wonders | 24 |
| One of the Seven Wonders of the World | 37 |
| One of the Sex Pistols | 22 |
| One of the Shaws | 16 |
| One of the shifts | 17 |
| One of the Shrivers | 19 |
| One of the SI base units | 24 |
| One of the Siamese twins | 24 |
| One of the simple machines | 26 |
| One of the Simpsons | 19 |
| One of the Sinatras | 19 |
| One of the singers of "Can You Feel the Love Tonight" | 63 |
| One of the singers of "Not Ready to Make Nice" | 56 |
| One of the singers of "Sunrise, Sunset" | 49 |
| One of the singers of "The Madness of King Scar" | 58 |
| One of the singing chipmunks | 28 |
| One of the singing Gibbs | 24 |
| One of the singing Guthries | 27 |
| One of the singing Jacksons | 27 |
| One of the singing Rosses | 25 |
| One of the singing Winans family | 32 |
| One of the sins | 15 |
| One of the sisters in "Sisters" | 41 |
| One of the sisters in Chekhov's "Three Sisters" | 61 |
| One of the sisters on "Braxton Family Values" | 55 |
| One of the six counties of Northern Ireland | 43 |
| One of the six inert gasses | 27 |
| One of the six states of Australia | 34 |
| One of the Skerries | 19 |
| One of the Skinners | 19 |
| One of the Skywalkers | 21 |
| One of the Skywalkers dressed up as St. Nick? | 45 |
| One of the Slavs | 16 |
| One of the Slobbovias | 21 |
| One of the small fry | 20 |
| One of the smart set | 20 |
| One of the Smiths | 17 |
| One of the Smothers Brothers | 28 |
| One of the Smurfs | 17 |
| One of the Snopes family | 24 |
| One of the so-called "Four Asian Tigers" | 50 |
| One of the so-called Southern Ivies | 35 |
| One of the social sciences, for short | 37 |
| One of the Society Islands | 26 |
| One of the Solomons | 19 |
| One of the sons on "My Three Sons" | 44 |
| One of the Sopranos | 19 |
| One of the Sox, e.g. | 20 |
| One of the space missions | 25 |
| One of the Spanish | 18 |
| One of the Speakers | 19 |
| One of the Spellings | 20 |
| One of the Spice Girls | 22 |
| One of the Spice Girls and namesakes | 36 |
| One of the Spice Islands | 24 |
| One of the Staal brothers | 25 |
| One of the Staple Singers | 25 |
| One of the Starrs | 17 |
| One of the stars of 'M*A*S*H'? | 38 |
| One of the stars of 'MASH'? | 35 |
| One of the states of matter | 27 |
| One of the states seen from Lookout Mtn. | 40 |
| One of the states with a Green River | 36 |
| One of the steeplejacks | 23 |
| One of the stethoscope set | 26 |
| One of the stonecrops | 21 |
| One of the Stooges | 18 |
| One of the strings | 18 |
| One of the Stuarts | 18 |
| One of the subjects of "The Late Shift" | 49 |
| One of the subjects of the best-selling '02 book "The Conquerors" | 79 |
| One of the subtractive primaries | 32 |
| One of the Sudanese | 19 |
| One of the Sunda Islands | 24 |
| One of the Super Bowl-winning Mannings | 38 |
| One of the superheroes in 2012's "The Avengers" | 61 |
| One of the Supremes | 19 |
| One of the Sweathogs | 20 |
| One of the Talmadges | 20 |
| One of the tapirs | 17 |