| Suffix with prefect | 19 |
| Suffix with prefect or script | 29 |
| Suffix with prefer | 18 |
| Suffix with president | 21 |
| Suffix with press | 17 |
| Suffix with press or fail | 25 |
| Suffix with press or moist | 26 |
| Suffix with press or prefect | 28 |
| Suffix with press or script | 27 |
| Suffix with priest | 18 |
| Suffix with prior | 17 |
| Suffix with problem | 19 |
| Suffix with problem or system | 29 |
| Suffix with professor | 21 |
| Suffix with profit | 18 |
| Suffix with profit or pamphlet | 30 |
| Suffix with profit or racket | 28 |
| Suffix with prohibit | 20 |
| Suffix with project | 19 |
| Suffix with project or percent | 30 |
| Suffix with prop | 16 |
| Suffix with prop or meth | 24 |
| Suffix with prop- | 17 |
| Suffix with prop- or hex- | 25 |
| Suffix with prophet | 19 |
| Suffix with propyl | 18 |
| Suffix with propyl or butyl | 27 |
| Suffix with prosper | 19 |
| Suffix with proto- | 18 |
| Suffix with proverb | 19 |
| Suffix with provident | 21 |
| Suffix with psych | 17 |
| Suffix with psych- | 18 |
| Suffix with psych- or neur- | 27 |
| Suffix with ptero- | 18 |
| Suffix with pun | 15 |
| Suffix with pun or tip | 22 |
| Suffix with puppet | 18 |
| Suffix with puzzle | 18 |
| Suffix with quack | 17 |
| Suffix with quack or fool | 25 |
| Suffix with quack or witch | 26 |
| Suffix with quart | 17 |
| Suffix with quip or tip | 23 |
| Suffix with racket | 18 |
| Suffix with racket or rocket | 28 |
| Suffix with railway | 19 |
| Suffix with ranch | 17 |
| Suffix with ranch or pistol | 27 |
| Suffix with real | 16 |
| Suffix with real and ideal | 26 |
| Suffix with real or ideal | 25 |
| Suffix with real or idol | 24 |
| Suffix with real or left | 24 |
| Suffix with real or rational | 28 |
| Suffix with real or social | 26 |
| Suffix with real or surreal | 27 |
| Suffix with real, patriot or ideal | 34 |
| Suffix with refer | 17 |
| Suffix with refer or exist | 26 |
| Suffix with refer or prefer | 27 |
| Suffix with reflex | 18 |
| Suffix with refuse | 18 |
| Suffix with rend and vend | 25 |
| Suffix with rend or vend | 24 |
| Suffix with repress | 19 |
| Suffix with resident | 20 |
| Suffix with resist | 18 |
| Suffix with respond | 19 |
| Suffix with rest | 16 |
| Suffix with rheo or thermo | 26 |
| Suffix with rheo- | 17 |
| Suffix with rhythm | 18 |
| Suffix with right | 17 |
| Suffix with rigor | 17 |
| Suffix with rigor or vigor | 26 |
| Suffix with risk or mist | 24 |
| Suffix with RNA | 15 |
| Suffix with road and hip | 24 |
| Suffix with road and speed | 26 |
| Suffix with road or hip | 23 |
| Suffix with road or speed | 25 |
| Suffix with robot | 17 |
| Suffix with robot or poet | 25 |
| Suffix with Rock | 16 |
| Suffix with Rock or disk | 24 |
| Suffix with Rock- | 17 |
| Suffix with rocket | 18 |
| Suffix with rocket or convention | 32 |
| Suffix with rocket or profit | 28 |
| Suffix with rocket or racket | 28 |
| Suffix with Roman | 17 |
| Suffix with Roman or arab | 25 |
| Suffix with rook or cook | 24 |
| Suffix with room | 16 |
| Suffix with Ruskin or Johnson | 29 |
| Suffix with sad or glad | 23 |
| Suffix with saliva | 18 |
| Suffix with salmon | 18 |
| Suffix with salt | 16 |