| Regretful feeling | 17 |
| Regretful | 9 |
| Regret-filled | 13 |
| Regret with bitterness | 22 |
| Regret the loss of | 18 |
| Regret some stupidity ... with a hint to this puzzle's theme | 64 |
| Regret royally | 14 |
| Regret one's wrongdoings | 28 |
| Regret one's sins | 21 |
| Regret of a reformed thief? | 27 |
| Regret losing some guy during long-winded speech? | 49 |
| Regret it ever happened | 23 |
| Regret deeply | 13 |
| Regret bitterly | 15 |
| Regret a lot | 12 |
| Regret a long workout | 21 |
| Regret | 6 |
| Regressive source of revenue, often | 35 |
| Regression | 10 |
| Regressing | 10 |
| Regresses | 9 |
| Regressed towards the mean | 26 |
| Regressed | 9 |
| Regress to the mean | 19 |
| Regress | 7 |
| Regnum | 6 |
| Registry items | 14 |
| Registration desk's locale, often | 37 |
| Registration datum | 18 |
| Registration agcy. | 18 |
| Registrant | 10 |
| Registers; rosters | 18 |
| Registers, with "in" | 30 |
| Registers, as data | 18 |
| Registers, as a sale | 20 |
| Registers, as a complaint | 25 |
| Registers surprise, say | 23 |
| Registers one's answer on a computerized true-false quiz? | 61 |
| Registers for a meditation class? | 33 |
| Registers | 9 |
| Registering, as a dial | 22 |
| Registering the most on the applause-o-meter | 44 |
| Registering a pulse | 19 |
| Registering a poodle? | 21 |
| Registering | 11 |
| Registered, with "up" | 31 |
| Registered, with "in" | 31 |
| Registered, in a way | 20 |
| Registered worker? | 18 |
| Registered right to three rings? | 32 |
| Registered player | 17 |
| Registered one's arrival at work | 36 |
| Registered names: Abbr. | 23 |
| Registered money due | 20 |
| Registered for | 14 |
| Registered as a candidate | 25 |
| Registered again | 16 |
| Registered | 10 |
| Register, to a Brit | 19 |
| Register, in old Rome | 21 |
| Register, as for a course (Var.) | 32 |
| Register, as for a course | 25 |
| Register, as a student | 22 |
| Register, as a complaint | 24 |
| Register tray | 13 |
| Register transaction | 20 |
| Register stack | 14 |
| Register site | 13 |
| Register single | 15 |
| Register signer | 15 |
| Register shock | 14 |
| Register section | 16 |
| Register scorn | 14 |
| Register scan | 13 |
| Register ring? | 14 |
| Register ring-ups | 17 |
| Register recording | 18 |
| Register reading | 16 |
| Register printout | 17 |
| Register output | 15 |
| Register one's dissatisfaction | 34 |
| Register notation | 17 |
| Register money | 14 |
| Register message | 16 |
| Register key pressed when making change | 39 |
| Register key | 12 |
| Register items | 14 |
| Register indicator | 18 |
| Register freebie | 16 |
| Register formally | 17 |
| Register for, with "in": var. | 39 |
| Register for Tiny Tim | 21 |
| Register for Pavarotti | 22 |
| Register for classes (Var.) | 27 |
| Register for a class (Var.) | 27 |
| Register for (with "in") | 34 |
| Register for | 12 |
| Register figure | 15 |
| Register feature | 16 |
| Register drawers | 16 |