| Back then, back when | 20 |
| Word with while | 15 |
| While lead-in | 13 |
| Once, in the past | 17 |
| Formerly formerly | 18 |
| "While" attachment | 28 |
| While opening | 13 |
| Once once | 10 |
| It comes before "while" | 33 |
| Formerly formerly | 17 |
| Attachment to "while" | 31 |
| It was once, once | 17 |
| Formerly, once upon a time | 26 |
| Formerly, long ago | 18 |
| Back then, back then | 20 |
| At one time, once | 17 |
| Archaic "formerly" | 28 |
| "While" beginning | 27 |
| ___ while | 9 |
| Start with while | 16 |
| Once before? | 12 |
| Old-style "once" | 26 |
| Lead-in to "while" | 28 |
| It may come before a while? | 27 |
| Formerly, of yore | 17 |
| Former, old style | 17 |
| Beginning for while | 19 |
| Archaic adverb | 14 |
| ''While'' lead-in | 33 |
| Word with "while" | 27 |
| While opener? | 13 |
| Start for while | 15 |
| Prefix with while | 17 |
| Opening for "while" | 29 |
| Onetime, old style | 18 |
| Once, of old | 12 |
| Once, in old times | 18 |
| Once, but not nowadays | 22 |
| Once, at one time | 17 |
| Once, archaically | 17 |
| Once formerly | 14 |
| Of yore, of yore | 16 |
| It came before "while," once | 38 |
| In the past, once | 17 |
| Formerly, in former times | 25 |
| Formerly once | 14 |
| Former, of old | 14 |
| Former formerly | 15 |
| Former "formerly" | 27 |
| Beginning for while, once | 25 |
| Beginning for ''while'' | 39 |
| Before now, in olden days | 25 |
| Before now, before now | 22 |
| At an earlier time, in an earlier time | 38 |
| Archaic attachment to "while" | 39 |
| Archaic "once" | 24 |
| "Step the meek fowls where ___ they ranged": Emerson | 62 |
| "... which __ was irksome to me": Shakespeare | 55 |
| Word combined with while | 24 |
| While's forerunner | 22 |
| While opener | 12 |
| While beginning | 15 |
| The time afore | 14 |
| Start for 'while' | 25 |
| Start for ''while'' | 35 |
| Root that usually takes a while? | 32 |
| Previously, of old | 18 |
| Previously, in old usage | 24 |
| Previously archaic? | 19 |
| Prefix for ''while'' | 36 |
| Poetic once | 11 |
| Originally, once | 16 |
| One-time, once | 14 |
| Once, quaintly | 14 |
| Once, old style | 15 |
| Once, it meant "once" | 31 |
| Once, in former times | 21 |
| Once, in days past | 18 |
| Once, a long time ago | 21 |
| Old-time adverb | 15 |
| Old-style prefix for while | 26 |
| Old-style "formerly" | 30 |
| Old-school "old" | 26 |
| Old word before "while" | 33 |
| Old prefix for while | 20 |
| Old beginning for "while" | 35 |
| Old attachment for "while" | 36 |
| Long ago, once | 14 |
| Lead-in to 'while' | 26 |
| Lead-in to ''while'' | 36 |
| Lead-in for while | 17 |
| Lead-in for 'while' | 27 |
| Kind of while | 13 |
| It was attached to "while," a while back | 50 |
| It may come before a while | 26 |
| It may come before a "while" | 38 |
| In time past, in time past | 26 |
| In olde times | 13 |
| Hitherto, hitherto | 18 |
| Heretofore, old style | 21 |