| Once-in-a-blue-moon | 19 |
| Once-hot demographic, casually | 30 |
| Once-homeless "Golden-Voiced" Williams | 48 |
| Once-gritty Big Apple neighborhood sometimes called Midtown West | 64 |
| Once-fearsome extinct cat | 25 |
| Once-fashionable tableware | 26 |
| Once-fashionable card game | 26 |
| Once-faddish aerobics regimen | 29 |
| Once-dominant industry in Pittsburgh | 36 |
| Once-divided place | 18 |
| Once-divided city | 17 |
| Once-common urban skyline sights | 32 |
| Once-common skyline sights | 26 |
| Once-common pesticide component | 31 |
| Once-common monochrome PC display | 33 |
| Once-common Georgia sights | 26 |
| Once-common desert fighting force | 33 |
| Once-common commercial fuel | 27 |
| Once-common childhood malady | 28 |
| Once-common childhood ailment | 29 |
| Once-common "commonly" | 32 |
| Once-called | 11 |
| Once-beautiful castle? | 22 |
| Once-autonomous people of southern Russia | 41 |
| Once-around-Sol period | 22 |
| Once-around | 11 |
| Once-again fashionable soulful rock instruments | 47 |
| Once-a-yr. purchases | 20 |
| Once-a-year visitor | 19 |
| Once-a-year travelers | 21 |
| Once-a-year celebrity | 21 |
| Once-a-year bloomer | 19 |
| Once-a-week menace | 18 |
| Once-a-decade event | 19 |
| Once, quaintly | 14 |
| Once, perhaps | 13 |
| Once, once upon a time | 22 |
| Once, once | 10 |
| Once, old-style | 15 |
| Once, old style | 15 |
| Once, of old | 12 |
| Once, maybe | 11 |
| Once, long ago | 14 |
| Once, it meant "once" | 31 |
| Once, in the past | 17 |
| Once, in Scotland | 17 |
| Once, in old times | 18 |
| Once, in former times | 21 |
| Once, in Dundee | 15 |
| Once, in days past | 18 |
| Once, formerly | 14 |
| Once, but not twice | 19 |
| Once, but not nowadays | 22 |
| Once, at one time | 17 |
| Once, archaically | 17 |
| Once, a long time ago | 21 |
| Once's partner | 18 |
| Once _____ while | 16 |
| Once ____ blue moon | 19 |
| Once ____ a time . . . | 22 |
| Once ____ twice shy | 20 |
| Once ___ while | 14 |
| Once ___ time | 13 |
| Once ___ lightly | 16 |
| Once ___ lifetime | 17 |
| Once ___ blue moon | 18 |
| Once ___ a time | 15 |
| Once ___ | 8 |
| Once __ while | 13 |
| Once __ time ... | 16 |
| Once __ blue moon | 17 |
| Once __ a time | 14 |
| Once __ (every seven days) | 26 |
| Once worked as | 14 |
| Once was involved in | 20 |
| Once was | 8 |
| Once upon ___ | 13 |
| Once upon a time | 16 |
| Once upon -- | 12 |
| Once surnamed | 13 |
| Once removed | 12 |
| Once powerful city-state of ancient Greece | 42 |
| Once possessed | 14 |
| Once popular player | 19 |
| Once popular coiffure | 21 |
| Once per annum | 14 |
| Once owned | 10 |
| Once over lightly | 17 |
| Once Ontario Premier | 20 |
| Once named | 10 |
| Once more: Abbr. | 16 |
| Once more, Western style | 24 |
| Once more, to Dizzy Dean | 24 |
| Once more, in the Ozarks | 24 |
| Once more, in Latin | 19 |
| Once more, in Dogpatch | 22 |
| Once more, in dialect | 21 |
| Once more, hillbilly-style | 26 |
| Once more, Dogpatch-style | 25 |
| Once more, country-style | 24 |