| Prefix with toxin or skeleton | 29 |
| Prefix with trafficker | 22 |
| Prefix with trafficking | 23 |
| Prefix with transmission | 24 |
| Prefix with transmitter | 23 |
| Prefix with trash and Disney | 28 |
| Prefix with treat or use | 24 |
| Prefix with triple digits | 25 |
| Prefix with trust and rust | 26 |
| Prefix with trust or social | 27 |
| Prefix with tubby or market | 27 |
| Prefix with type or cast | 24 |
| Prefix with type or spore | 25 |
| Prefix with verse or cycle | 26 |
| Prefix with verse or form | 25 |
| Prefix with vision or graph | 27 |
| Prefix with vocal or sex | 24 |
| Prefix with war or crime | 24 |
| Prefix with war or hero | 23 |
| Prefix with ware or content | 27 |
| Prefix with ware or function | 28 |
| Prefix with warrior and type | 28 |
| Prefix with watt or wave | 24 |
| Prefix with wave or scope | 25 |
| Prefix with weave or twine | 26 |
| Prefix with wife or way | 23 |
| Prefix with zone and skeptic | 28 |
| Prefixes for bar and metric | 27 |
| Prefixes for breastbones | 24 |
| Prefixes for heart cavities | 27 |
| Prefixes for large birds | 24 |
| Prefixes for limestones | 23 |
| Prefixes meaning inner | 22 |
| Prefixes meaning marsh | 22 |
| Prefixes meaning muscle | 23 |
| Prefixes meaning vapors | 23 |
| Pregame morale builder | 22 |
| Pregame offering up north | 25 |
| Pregame rah-rah meeting | 23 |
| Pregame rituals, for some | 25 |
| Pregnancy symptom, frequently | 29 |
| Pregnancy test, familiarly | 26 |
| Pregnant pause, perhaps | 23 |
| Pregnant woman, in obstetrics | 29 |
| Pregrilling application | 23 |
| Prehensile-tailed fish | 22 |
| Prehistoric beast, briefly | 26 |
| Prehistoric beast, for short | 28 |
| Prehistoric beasts, briefly | 27 |
| Prehistoric critters, briefly | 29 |
| Prehistoric medical supply? | 27 |
| Prehistoric pet of cartoons | 27 |
| Prehistoric predator, briefly | 29 |
| Prehistoric Pueblo culture | 26 |
| Prehistoric ruin in England | 27 |
| Prehistoric stone chips | 23 |
| Prehistoric stone implement | 27 |
| Prehistoric stone tool | 22 |
| Prehistoric threat, for short | 29 |
| Prehistoric-culture study | 25 |
| Prehistoric: Comb. form | 23 |
| Prehistorical author Jean | 25 |
| Prehistorical novelist | 22 |
| Prehistorical novelist Jean | 27 |
| Preinstalled iPhone browser | 27 |
| Preinterview purchase, maybe | 28 |
| Preix with wife or way | 22 |
| Prejudice's companion | 25 |
| Prejudicial inclination | 23 |
| Prejudicial propagandist | 24 |
| Prelate's title: Abbr. | 26 |
| Preliminaries at a track meet | 29 |
| Preliminaries of jazz pieces | 28 |
| Preliminary coat of paint | 25 |
| Preliminary figure: Abbr. | 25 |
| Preliminary papers: Abbr. | 25 |
| Preliminary performance | 23 |
| Preliminary preparation | 23 |
| Preliminary remarks (Abbr.) | 27 |
| Preliminary round of a race | 27 |
| Preliminary vote: Abbr. | 23 |
| Prelude "to riches" | 29 |
| Prelude or Sonata, e.g. | 23 |
| Prelude to a deal, perhaps | 26 |
| Prelude to a new course | 23 |
| Prelude to a prison lockdown | 28 |
| Prelude to a revolution | 23 |
| Prelude to an invention | 23 |
| Prelude to many a kiss | 22 |
| Prelude to murder, often | 24 |
| Prelude to pasta, perhaps | 25 |
| Prelude to peace, perhaps | 25 |
| Prelude's counterpart | 25 |
| Premarathon celebration | 23 |
| Premarital surname preceder | 27 |
| Premier Catherine______ | 23 |
| Premier __: wine designation | 28 |
| Premiere attendees, often | 25 |
| Premiere of February 12, 1924 | 29 |
| Premiere-to-finale period | 25 |