| Part of R & R, for short | 28 |
| Part of R and R | 15 |
| Part of R&D | 15 |
| Part of R&D: Abbr. | 22 |
| Part of R&R | 15 |
| Part of R. & R. | 19 |
| Part of R. and R. | 17 |
| Part of R. and R., for short | 28 |
| Part of R. I. | 13 |
| Part of R.A.F. | 14 |
| Part of r.b.i | 13 |
| Part of r.b.i. | 14 |
| Part of R.C.A. | 14 |
| Part of R.C.M.P. | 16 |
| Part of R.E.A. | 14 |
| Part of R.E.O. | 14 |
| Part of R.F.D. | 14 |
| Part of R.I.P. | 14 |
| Part of R.K.O. | 14 |
| Part of R.N. | 12 |
| Part of R.O.T.C. | 16 |
| Part of R.P.I. | 14 |
| Part of r.p.m. | 14 |
| Part of r.p.m., for short | 25 |
| Part of r.p.m.: Abbr. | 21 |
| Part of R.R. | 12 |
| Part of R.R.: Abbr. | 19 |
| Part of R.S.V. | 14 |
| Part of R.S.V.P. | 16 |
| Part of R.W.E. | 14 |
| Part of RAF | 11 |
| Part of Ralph Kramden's laugh | 33 |
| Part of RAM | 11 |
| Part of RAM: Abbr. | 18 |
| Part of Rapunzel's "ladder" | 41 |
| Part of RBI | 11 |
| Part of RCMP | 12 |
| Part of REA | 11 |
| Part of REM | 11 |
| Part of REO | 11 |
| Part of retribution | 19 |
| Part of retribution, in a phrase | 32 |
| Part of RFD | 11 |
| Part of RFK (abbr.) | 19 |
| Part of Rich's kit | 22 |
| Part of Ringo's kit | 23 |
| Part of Ringo's set | 23 |
| Part of Ripley's slogan | 27 |
| Part of Ripley's title | 26 |
| Part of Ripleys' catchphrase | 32 |
| Part of Ripleys' title | 26 |
| Part of RISD | 12 |
| Part of RKO | 11 |
| Part of RN | 10 |
| Part of RNA | 11 |
| Part of rock's C.S.N. & Y. | 34 |
| Part of rock's CSNY | 23 |
| Part of Rockefeller Ctr.'s address | 38 |
| Part of Rockne's needle found in the Bard's cauldron? | 61 |
| Part of Rocky Balboa's training diet | 40 |
| Part of Rodney Dangerfield's trademark attire | 49 |
| Part of ROM | 11 |
| Part of Rome's underground | 30 |
| Part of Rona's report | 25 |
| Part of roof | 12 |
| Part of room and board | 22 |
| Part of routine auto maintenance | 32 |
| Part of ROY G BIV | 17 |
| Part of Roy G. Biv | 18 |
| Part of Royal Highland Fusiliers' uniforms | 46 |
| Part of RPG | 11 |
| Part of rpm | 11 |
| Part of RPM: Abbr. | 18 |
| Part of RR | 10 |
| Part of RSA | 11 |
| Part of RSVP | 12 |
| Part of RuPaul's attire | 27 |
| Part of Rushmore | 16 |
| Part of Russia next to Finland | 30 |
| Part of Russia, with "the" | 36 |
| Part of Russia: Abbr. | 21 |
| Part of RV | 10 |
| Part of S&L: Abbr. | 22 |
| Part of S&M | 15 |
| Part of S. Dak. is on it | 24 |
| Part of S. P. | 13 |
| Part of S.A. | 12 |
| Part of S.A.C. | 14 |
| Part of S.A.R. | 14 |
| Part of S.A.S.E. | 16 |
| Part of S.A.S.E.: Abbr. | 23 |
| Part of S.D. | 12 |
| Part of S.D.S. | 14 |
| Part of S.E.C.: Abbr. | 21 |
| Part of S.F.S.U. | 16 |
| Part of S.L.R. | 14 |
| Part of S.N.L. | 14 |
| Part of S.O.P.: Abbr. | 21 |
| Part of S.O.S., supposedly | 26 |
| Part of S.P. | 12 |