| Prefix for inflammatory | 23 |
| Prefix for Impressionism | 24 |
| Prefix for hood or handle | 25 |
| Prefix for hit or dose | 22 |
| Prefix for hero or knock | 24 |
| Prefix for head or lap | 22 |
| Prefix for hap or deed | 22 |
| Prefix for graph or vision | 26 |
| Prefix for graph or type | 24 |
| Prefix for graph or trooper | 27 |
| Prefix for graph or resin | 25 |
| Prefix for graph or medic | 25 |
| Prefix for graph or logical | 27 |
| Prefix for graph or harp | 24 |
| Prefix for gram or vision | 25 |
| Prefix for gram or tone | 23 |
| Prefix for gram or pest | 23 |
| Prefix for gram or nautical | 27 |
| Prefix for gram or naut | 23 |
| Prefix for gram or meter | 24 |
| Prefix for gram or lytic | 24 |
| Prefix for gram or logue | 24 |
| Prefix for gram or logical | 26 |
| Prefix for gram or glotis | 25 |
| Prefix for gram or dyne | 23 |
| Prefix for gram or drome | 24 |
| Prefix for gram and phone | 25 |
| Prefix for gram and cure | 24 |
| Prefix for gram and bar | 23 |
| Prefix for graduate or handed | 29 |
| Prefix for grade or active | 26 |
| Prefix for gothic or classic | 28 |
| Prefix for god or monde | 23 |
| Prefix for god or john | 22 |
| Prefix for globin or stat | 25 |
| Prefix for giving or taking | 27 |
| Prefix for geek or mensch | 25 |
| Prefix for form or verse | 24 |
| Prefix for form or sex | 22 |
| Prefix for form or cycle | 24 |
| Prefix for form or corn | 23 |
| Prefix for fold or graph | 24 |
| Prefix for foil or chloride | 27 |
| Prefix for fire or rocket | 25 |
| Prefix for fiend or angel | 25 |
| Prefix for field or stream | 26 |
| Prefix for fauna or culture | 27 |
| Prefix for fats and plants | 26 |
| Prefix for farming or soil | 26 |
| Prefix for factor or diction | 28 |
| Prefix for esteem, help, etc. | 29 |
| Prefix for element #33 | 22 |
| Prefix for electric or plane | 28 |
| Prefix for dyne or drome | 24 |
| Prefix for dynamics or gram | 27 |
| Prefix for dynamic or space | 27 |
| Prefix for duke or enemy | 24 |
| Prefix for drop or fall | 23 |
| Prefix for drome or sol | 23 |
| Prefix for drome or dynamics | 28 |
| Prefix for dox or pedic | 23 |
| Prefix for dote or freeze | 25 |
| Prefix for dome or turf | 23 |
| Prefix for dollar or Disney | 27 |
| Prefix for distant or lateral | 29 |
| Prefix for disposition | 22 |
| Prefix for dimensional | 22 |
| Prefix for derm or plasm | 24 |
| Prefix for derm or gram | 23 |
| Prefix for dent or color | 24 |
| Prefix for demic or gram | 24 |
| Prefix for deed or take | 23 |
| Prefix for deal or deed | 23 |
| Prefix for day or week | 22 |
| Prefix for day or way | 25 |
| Prefix for day or night | 23 |
| Prefix for date or room | 23 |
| Prefix for date or diluvian | 27 |
| Prefix for date or cede | 23 |
| Prefix for cycle or verse | 25 |
| Prefix for cycle or sex | 23 |
| Prefix for cycle or phone | 25 |
| Prefix for cycle or form | 24 |
| Prefix for cycle or dent | 24 |
| Prefix for cycle or angle | 25 |
| Prefix for cut or type | 22 |
| Prefix for cure or tome | 23 |
| Prefix for cure or graph | 24 |
| Prefix for crine or carp | 24 |
| Prefix for corn or verse | 24 |
| Prefix for corn or pod | 22 |
| Prefix for corn or meter | 24 |
| Prefix for corn or form | 23 |
| Prefix for corn or cycle | 24 |
| Prefix for corn or angle | 24 |
| Prefix for copter or port | 25 |
| Prefix for communication | 24 |
| Prefix for comic or comedy | 26 |
| Prefix for color or cycle | 25 |
| Prefix for coastal or mural | 27 |