| "Once ___ a Time" Smashing Pumpkins | 45 |
| "Once ___ a Time" Tony Bennett | 40 |
| "Once ___ Honeymoon" (1942 film) | 42 |
| "Once ___ Honeymoon" (1942 movie) | 43 |
| "Once ___ Lifetime" Talking Heads | 43 |
| "Once ___ midnight dreary . . . " | 43 |
| "Once ___ midnight dreary ..." | 40 |
| "Once ___ time . . . " | 32 |
| "Once ___ Time in America" | 36 |
| "Once ___ Warriors" (Alan Duff novel) | 47 |
| "One Adam Twelve," e.g. | 33 |
| "One brave deed makes ___": Whittier | 46 |
| "One can only ___ much" | 33 |
| "One Day in the Life of ___ Denisovich" | 49 |
| "One day ___ all make sense" | 38 |
| "One Day ___," TV sitcom | 34 |
| "One enemy __ much": Herbert | 38 |
| "One Fat Englishman" author | 37 |
| "One Fat Englishman" author Kingsley | 46 |
| "One Flew Over . . ." author | 38 |
| "One Flew Over the Cuckoo's ---" | 46 |
| "One for all and all for one," e.g. | 45 |
| "One for My Baby" composer | 36 |
| "One for My Baby" composer Harold | 43 |
| "One for My Baby" singer | 34 |
| "One for the books," for one | 38 |
| "One for the road" offense, briefly | 45 |
| "One From the Heart" actress | 38 |
| "One giant leap for mankind" site | 43 |
| "One giant __ for ..." | 32 |
| "One giant ___ for . . . " | 36 |
| "One giant ___ for mankind" | 37 |
| "One Good Cop" actress | 32 |
| "One Hoss Shay" constructor | 37 |
| "One if ___, two if ..." | 34 |
| "One Kiss ___ to Another" Coasters | 44 |
| "One Life to Live" actress Kristen | 44 |
| "One Life to Live" airer | 34 |
| "One Life to Live," e.g. | 34 |
| "One man may ___ horse . . . " | 40 |
| "One Man's Family" actor: 1949-52 | 47 |
| "One Man's San Francisco" author | 46 |
| "One million dollars, Mr. Bond" speaker | 49 |
| "One more payment will make the ___" | 46 |
| "One more thing . . ." | 32 |
| "One more thing," for short | 37 |
| "One more thing..." online | 36 |
| "One never knows, ___?": Fats Waller | 46 |
| "One O'Clock Jump" composer | 41 |
| "One of ---" (Cather novel) | 37 |
| "One of the Boys" ___ the Hoople | 42 |
| "One of These Nights" group | 37 |
| "One of Us" singer Joan | 33 |
| "One of __ days . . ." | 32 |
| "One of ___ days . . . " | 34 |
| "One of ___ days, Alice ..." | 38 |
| "One of ___ days, Alice..." | 37 |
| "One of ___" (Willa Cather novel) | 43 |
| "One of ___," Cather novel | 36 |
| "One pair," said Tom ___ | 34 |
| "One per customer," e.g. | 34 |
| "One ringy-dingy" comic | 33 |
| "One small step for ___" | 34 |
| "One Soldier's Story" author | 42 |
| "One Song Glory" musical | 34 |
| "One swallow doesn't make ___" | 44 |
| "One Thousand and One Nights" bird | 44 |
| "One Thousand and One Nights" hero | 44 |
| "One Touch of Venus" composer | 39 |
| "One Touch of Venus" star Gardner | 43 |
| "One Tree Hill" actress ___ Kelly | 43 |
| "One Tree Hill" target viewer | 39 |
| "One True Thing" novelist Quindlen | 44 |
| "One True Thing" writer Quindlen | 42 |
| "One wife at a time" practice | 39 |
| "One World" musician John | 35 |
| "One __ the Life of Ivan Denisovich" | 46 |
| "One ___ Bell to Answer" (1970 hit) | 45 |
| "One ___ lifetime is much": H.B. Adams | 48 |
| "One ___ master . . . " | 33 |
| "One ___ off and . . . " | 34 |
| "One ___ or Another" (hit Blondie song) | 49 |
| "One ___ Over the Line" | 33 |
| "One ___ Photo" (2002) | 32 |
| "One ___ Soldier" (antiwar song) | 42 |
| "One ___ the money ..." | 33 |
| "One ___" (Joan Osborne hit) | 38 |
| "One ___or one tittle . . . " | 39 |
| "One, Two, Buckle My Shoe" bird | 41 |
| "One, two, button ___" | 32 |
| "One, two, three, shoot" choice | 41 |
| "One-horse open sleigh" follower | 42 |
| "One-l lama" creator Ogden | 36 |
| "One-two-three-kick" dances | 37 |
| "One-___ Jacks" (1961) | 32 |
| "One-___ Jacks" (Brando film) | 39 |
| "Only a Fool" jazz singer | 35 |
| "Only a ___," 1925 song | 33 |
| "Only bad witches are ugly" speaker | 45 |
| "Only God can make ___" | 33 |