| One-sided wins | 14 |
| One-sided win | 13 |
| One-sided victory for Baltimore | 31 |
| One-sided victory | 17 |
| One-sided tilts | 15 |
| One-sided series | 16 |
| One-sided score | 15 |
| One-sided result | 16 |
| One-sided plurality | 19 |
| One-sided person | 16 |
| One-sided melee | 15 |
| One-sided game | 14 |
| One-sided figure formed with a twist | 36 |
| One-sided court score | 21 |
| One-sided contests | 18 |
| One-sided contest | 17 |
| One-sided battle | 16 |
| One-sided ballgame | 18 |
| One-sided | 9 |
| One-sharp musical key | 21 |
| One-seventh of una semana | 25 |
| One-seventh of a semana | 23 |
| One-seventh of a rainbow | 24 |
| One-seeded, winged fruit | 24 |
| One-seeded fruits: Var. | 23 |
| One-seeded fruits | 17 |
| One-seeded fruit: Var. | 22 |
| One-seeded fruit, botanically | 29 |
| One-seeded fruit | 16 |
| One-seater race | 15 |
| One-seated vehicle | 18 |
| One-seat carriages | 18 |
| One-scene role | 14 |
| One-run homers | 14 |
| One-round loser to Muhammad | 27 |
| One-room schoolhouse heater | 27 |
| One-room schoolhouse figure | 27 |
| One-room schoolhouse features | 29 |
| One-room pad | 12 |
| One-room house, typically | 25 |
| One-room home | 13 |
| One-room heater | 15 |
| One-room dwelling | 17 |
| One-room apartment | 18 |
| One-room abode | 14 |
| One-quintillionth: Prefix | 25 |
| One-quarter of zero? | 20 |
| One-quarter of tetra- | 21 |
| One-quarter of quarante | 23 |
| One-quarter of quadri- | 22 |
| One-quarter of doce | 19 |
| One-quarter of an H, in Morse code | 34 |
| One-quarter of a mourning lacrosse team? | 40 |
| One-quarter of "Whose woods these are I think I know" | 63 |
| One-quadrillionth: Comb. form | 29 |
| One-principle-for-everything theory | 35 |
| One-pot meals | 13 |
| One-pot meal | 12 |
| One-pot dinners | 15 |
| One-pot dinner | 14 |
| One-pot beef dishes | 19 |
| One-pot beef dish | 17 |
| One-pointers: Abbr. | 19 |
| One-pointers in an outdoor game | 31 |
| One-pointers | 12 |
| One-pointer in horseshoes | 25 |
| One-pointer in Football: Abbr. | 30 |
| One-point throws | 16 |
| One-point Scrabble tiles | 24 |
| One-point Scrabble piece | 24 |
| One-point Scrabble letters | 26 |
| One-point score, of a sort | 26 |
| One-point E, for one | 20 |
| One-point cribbage knave | 24 |
| One-point baccarat card | 23 |
| One-point "Scrabble" tiles | 36 |
| One-pip domino | 14 |
| One-piece, perhaps | 18 |
| One-piece vestments | 19 |
| One-piece swimwear | 18 |
| One-piece swimsuit | 18 |
| One-piece resort wear | 21 |
| One-piece party garb | 20 |
| One-piece outfits | 17 |
| One-piece outfit | 16 |
| One-piece garments, informally | 30 |
| One-piece garments | 18 |
| One-piece garment: Var. | 23 |
| One-piece garment | 17 |
| One-piece cloak | 15 |
| One-piece brand | 15 |
| One-piece bodysuits | 19 |
| One-picture cartoon | 19 |
| One-person-wide line | 20 |
| One-person-business owners | 26 |
| One-person vessels | 18 |
| One-person performances | 23 |
| One-person performance | 22 |
| One-person opera performances | 29 |
| One-person craft | 16 |