| Proton's place | 18 |
| Proton's spot | 17 |
| Proton-enhanced cure-all? | 25 |
| Proton-enhanced form of reproduction? | 37 |
| Proton-enhanced instrument of torture? | 38 |
| Proton-enhanced opportunist? | 28 |
| Protons' places | 19 |
| Protoplasmic mass that's neither fungus nor animal | 54 |
| Protoplasmic units | 18 |
| Prototype | 9 |
| Prototype (abbr.) | 17 |
| Prototype circuit device | 24 |
| Prototype detail, briefly | 25 |
| Prototype flying auto of 1949 | 29 |
| Prototype shows | 15 |
| Prototype vehicle | 17 |
| Prototype version | 17 |
| Prototype, for short | 20 |
| Prototypical address | 20 |
| Prototypical film | 17 |
| Prototypical frenemy? | 21 |
| Prototypical laundry challenges | 31 |
| Prototypical pooch | 18 |
| Prototypical small town | 23 |
| Prototypical victim | 19 |
| Protozoa | 8 |
| Protozoa genus | 14 |
| Protozoa propellers, perhaps | 28 |
| Protozoa with pseudopodia | 25 |
| Protozoa with pseudopodia (var.) | 32 |
| Protozoa: Var. | 14 |
| Protozoan | 9 |
| Protozoan propellers | 20 |
| Protozoan pushers | 17 |
| Protozoan studied in biology class | 34 |
| Protozoan that can photosynthesize | 34 |
| Protozoan, e.g. | 15 |
| Protozoan: Var. | 15 |
| Protozoans | 10 |
| Protract | 8 |
| Protract, with "out" | 30 |
| Protracted | 10 |
| Protracted absences | 19 |
| Protracted argument | 19 |
| Protracted assault | 18 |
| Protracted attack | 17 |
| Protracted battle | 17 |
| Protracted battles | 18 |
| Protracted period | 17 |
| Protracted poems | 16 |
| Protracted prayer | 17 |
| Protracted sound from the undecided | 35 |
| Protractedly | 12 |
| Protractor measure | 18 |
| Protractor measurement | 22 |
| Protractor measurements | 23 |
| Protractor units | 16 |
| Protractor's measure | 24 |
| Protracts, with "out" | 31 |
| Protrude | 8 |
| Protrude outward | 16 |
| Protrude, as the chin | 21 |
| Protrude, with "out" | 30 |
| Protruded | 9 |
| Protruded-lip expression | 24 |
| Protrudes | 9 |
| Protrudes, in a way | 19 |
| Protrudes, with "out" | 31 |
| Protruding bellybutton | 22 |
| Protruding knot on a tree | 25 |
| Protruding navel | 16 |
| Protruding part | 15 |
| Protruding protector | 20 |
| Protruding rock | 15 |
| Protruding tooth | 16 |
| Protruding tree knots | 21 |
| Protruding window | 17 |
| Protruding, as from water | 25 |
| Protrusion | 10 |
| Protrusion on a door or drawer | 30 |
| Protuberance | 12 |
| Protuberance on a toad | 22 |
| Protuberances | 13 |
| Protuberant | 11 |
| Protuberant mass | 16 |
| Protuberant window | 18 |
| Protuberate | 11 |
| Proud academic achievement of football star Esiason? | 52 |
| Proud as a peacock | 18 |
| Proud bird with beautiful feathers | 34 |
| Proud birds | 11 |
| Proud birds' mates | 22 |
| Proud black woman, per Urban Dictionary | 39 |
| Proud cry | 9 |
| Proud gesture | 13 |
| Proud guys | 10 |
| Proud guys? | 11 |
| Proud lawnkeeper's tool | 27 |
| Proud liberal's apology ... or is it? | 41 |
| Proud marcher on Oct. 12 | 24 |