| Fifth quarters, briefly | 23 |
| Extra-play periods: Abbr. | 25 |
| Extra-play periods, for short | 29 |
| Extra play periods, for short | 29 |
| Extra play periods (abbr.) | 26 |
| Extra periods in sports, briefly | 32 |
| 5th qtrs. | 9 |
| 5-min. NHL periods | 18 |
| 10th-inning counterparts, briefly | 33 |
| Where lts. are prepared | 23 |
| Where lts. are created | 22 |
| Where Its. are educated | 23 |
| When ties are broken in some NHL games | 38 |
| What buzzer beaters may lead to, briefly | 40 |
| Very close NFL games sometimes require them | 43 |
| USAF commissioning program | 26 |
| Times for heroes | 16 |
| Ties require them, briefly | 26 |
| Tiebreaking periods, briefly | 28 |
| Tiebreaker periods: Abbr. | 25 |
| Tie-game settlers, briefly | 26 |
| Tie-breaking play periods: Abbr. | 32 |
| Tie settlers, for short | 23 |
| Tie followers, briefly | 22 |
| Tie deciders: Abbr. | 19 |
| Tie breakers: Abbr. | 19 |
| They precede sudden death: Abbr. | 32 |
| They often end with FGs | 23 |
| They occur when things are all tied up, briefly | 47 |
| They may follow the 4th qtr. | 28 |
| They may follow last periods, for short | 39 |
| They last five minutes in the NBA | 33 |
| They follow coin tosses: Abbr. | 30 |
| Tense periods, for short | 24 |
| Tense periods in the NHL | 24 |
| TDs may end them | 16 |
| Sudden-death times: Abbr. | 25 |
| Sudden-death periods: Abbr. | 27 |
| Sudden-death periods (Abbr.) | 28 |
| Sudden death periods: Abbr. | 27 |
| Subjects of a 1974 NFL rules change | 35 |
| Sports score notations | 22 |
| Sports page abbrs. | 18 |
| Sports fans' bonuses, briefly | 33 |
| Some sudden-death situations, for short | 39 |
| Some sports score notations | 27 |
| Some score notations, for short | 31 |
| Some NFL endings | 16 |
| Some NBA endings | 16 |
| Some March Madness finishes | 27 |
| Some game enders, for short | 27 |
| Shootout preceders, briefly | 27 |
| See 27-Acr. | 11 |
| School for Lts. | 15 |
| Sch. for noncoms | 16 |
| Results of ties: Abbr. | 22 |
| Regulation followers | 20 |
| Reasons some games run long: Abbr. | 34 |
| R.O.T.C. relative | 17 |
| Post-fourth quarter periods, for short | 38 |
| Periods prec. soccer shootouts | 30 |
| Periods of sudden death: Abbr. | 30 |
| Periods of extra mins. | 22 |
| Officers' sch. | 18 |
| Notations on some game scores | 29 |
| NHL tiebreaker periods | 22 |
| NHL nail-biters | 15 |
| NHL 4th periods, e.g. | 21 |
| NFL's extra quarters | 24 |
| NFL's extra periods | 23 |
| NFL nail-biters | 15 |
| NFL game extensions | 19 |
| NBA regulation followers? | 25 |
| NBA periods | 11 |
| NBA extras | 10 |
| Nail-biting sports events, briefly | 34 |
| Nail-biting NFL periods | 23 |
| Nail-biting NBA periods | 23 |
| Nail-biting events: Abbr. | 25 |
| Nail-biters: Abbr. | 18 |
| N.F.L. tiebreakers | 18 |
| N.F.L. nail-biters | 18 |
| N.C.A.A. tournament nail-biters | 31 |
| N.B.A. tiebreakers | 18 |
| Mil. educational institution | 28 |
| Mil. academy | 12 |
| Important source of commissions: Abbr. | 38 |
| Game finales: Abbr. | 19 |
| Fourth periods in the N.H.L. | 28 |
| Five-minute NHL periods | 23 |
| Five-min. periods, maybe | 24 |
| Five-min. NBA periods | 21 |
| Fifth quarters, so to speak: Abbr. | 34 |
| Fifth and sixth quarters, e.g. | 30 |
| FGs often end them | 18 |
| Extra qtrs., e.g. | 17 |
| Extra qtrs. | 11 |
| Extra play pers. | 16 |
| Extra periods: Abbr. | 20 |
| Extra periods of play, in brief | 31 |