| Prefix for plane or space | 25 |
| Prefix for play or band | 23 |
| Prefix for plop or choo | 23 |
| Prefix for plop or plunk | 24 |
| Prefix for plunk or plop | 24 |
| Prefix for ply or tude | 22 |
| Prefix for pod or angle | 23 |
| Prefix for pod or corn | 22 |
| Prefix for pod or plane | 23 |
| Prefix for poise and valence | 28 |
| Prefix for poise or nox | 23 |
| Prefix for port or pad | 22 |
| Prefix for potent or bus | 24 |
| Prefix for potent or present | 28 |
| Prefix for present or bus | 25 |
| Prefix for pret or cession | 26 |
| Prefix for profit or dairy | 26 |
| Prefix for profit or sked | 25 |
| Prefix for rail or plane | 24 |
| Prefix for rhyme or rail | 24 |
| Prefix for room or date | 23 |
| Prefix for said or thought | 26 |
| Prefix for schaum or kat | 24 |
| Prefix for science or bus | 25 |
| Prefix for scope or graph | 25 |
| Prefix for scope or meter | 25 |
| Prefix for scope or patetic | 27 |
| Prefix for scope or vision | 26 |
| Prefix for season or deceased | 29 |
| Prefix for septic or social | 27 |
| Prefix for sex or verse | 23 |
| Prefix for skeleton or spore | 28 |
| Prefix for social or freeze | 27 |
| Prefix for social or trust | 26 |
| Prefix for space or dynamics | 28 |
| Prefix for space or gram | 24 |
| Prefix for space or naut | 24 |
| Prefix for sphere or cycle | 26 |
| Prefix for sphere or meter | 26 |
| Prefix for stat or scope | 24 |
| Prefix for stat or sol | 22 |
| Prefix for state or mural | 25 |
| Prefix for stitch or style | 26 |
| Prefix for stock or horn | 24 |
| Prefix for stop or skid | 23 |
| Prefix for surgeon or logical | 29 |
| Prefix for system or sphere | 27 |
| Prefix for system or type | 25 |
| Prefix for table or poise | 25 |
| Prefix for tell or warn | 23 |
| Prefix for tend or text | 23 |
| Prefix for term or wife | 23 |
| Prefix for teuch or gon | 23 |
| Prefix for the opposed | 22 |
| Prefix for therm or tope | 24 |
| Prefix for ton or phone | 23 |
| Prefix for tone or gram | 23 |
| Prefix for tone or plane | 24 |
| Prefix for tope or mer | 22 |
| Prefix for toxin or dote | 24 |
| Prefix for trooper or medic | 27 |
| Prefix for trope or stat | 24 |
| Prefix for trust or thesis | 26 |
| Prefix for tude and potent | 26 |
| Prefix for tude or meter | 24 |
| Prefix for type or gram | 23 |
| Prefix for type or magnet | 25 |
| Prefix for Vegas or Campanas | 28 |
| Prefix for verse or cycle | 25 |
| Prefix for verse or form | 24 |
| Prefix for view or state | 24 |
| Prefix for vision or phone | 26 |
| Prefix for war and school | 25 |
| Prefix for war or dote | 22 |
| Prefix for war or social | 24 |
| Prefix for watt or byte | 23 |
| Prefix for wave or scope | 24 |
| Prefix for way or marine | 24 |
| Prefix for wig or winkle | 24 |
| Prefix for winter products | 26 |
| Prefix in a Dow trademark | 25 |
| Prefix in Asian relations | 25 |
| Prefix in geometry class | 24 |
| Prefix in many chemical names | 29 |
| Prefix in many juice names | 26 |
| Prefix in Russian place names | 29 |
| Prefix in some alloy names | 26 |
| Prefix in some war names | 24 |
| Prefix indicating automation | 28 |
| Prefix indicating priority | 26 |
| Prefix like "ultra" | 29 |
| Prefix meaning '10' | 27 |
| Prefix meaning 'all' | 28 |
| Prefix meaning 'bird' | 29 |
| Prefix meaning 'egg' | 28 |
| Prefix meaning 'half' | 29 |
| Prefix meaning 'time' | 29 |
| Prefix meaning "4" | 28 |
| Prefix meaning "up" | 29 |
| Prefix meaning 1,000,000 | 24 |