| Prefix with dextrous | 20 |
| Prefix with dexterous | 21 |
| Prefix with dexterity | 21 |
| Prefix with determined | 22 |
| Prefix with design | 18 |
| Prefix with desert or darkness | 30 |
| Prefix with dermis or glottis | 29 |
| Prefix with dermis | 18 |
| Prefix with dermal | 18 |
| Prefix with derm or therm | 25 |
| Prefix with derm | 16 |
| Prefix with dent or sect | 24 |
| Prefix with dent or pod | 23 |
| Prefix with demisemiquaver | 26 |
| Prefix with demeanor or direction | 33 |
| Prefix with defense and destruct | 32 |
| Prefix with deed, lead, or read | 31 |
| Prefix with deed or lead | 24 |
| Prefix with decimal | 19 |
| Prefix with day or year | 23 |
| Prefix with day or way | 22 |
| Prefix with day or night | 24 |
| Prefix with day or land | 23 |
| Prefix with date or nave | 24 |
| Prefix with date or dawn | 24 |
| Prefix with date or chamber | 27 |
| Prefix with date or cede | 24 |
| Prefix with date | 16 |
| Prefix with data | 16 |
| Prefix with Darwinism or Marxism | 32 |
| Prefix with dairy | 17 |
| Prefix with dactyl | 18 |
| Prefix with cyclist | 19 |
| Prefix with cycle or verse | 26 |
| Prefix with cycle or ton | 24 |
| Prefix with cycle or sphere | 27 |
| Prefix with cycle or sex | 24 |
| Prefix with cycle or pod | 24 |
| Prefix with cycle or plane | 26 |
| Prefix with cycle or meter | 26 |
| Prefix with cycle or lateral | 28 |
| Prefix with cycle or form | 25 |
| Prefix with cycle or focal | 26 |
| Prefix with cycle or dent | 25 |
| Prefix with cycle or city | 25 |
| Prefix with cycle or athlete | 28 |
| Prefix with cycle or angle | 26 |
| Prefix with cycle and sex | 25 |
| Prefix with cycle | 17 |
| Prefix with cure | 16 |
| Prefix with cumulus | 19 |
| Prefix with culture or fauna | 28 |
| Prefix with culture | 19 |
| Prefix with cultural | 20 |
| Prefix with cruiser or sphere | 29 |
| Prefix with cross | 17 |
| Prefix with course | 18 |
| Prefix with county | 18 |
| Prefix with cortical | 20 |
| Prefix with cortex or classic | 29 |
| Prefix with cortex | 18 |
| Prefix with correct, in texting | 31 |
| Prefix with correct | 19 |
| Prefix with corporation | 23 |
| Prefix with corn, form, or cycle | 32 |
| Prefix with corn or verse | 25 |
| Prefix with corn or sex | 23 |
| Prefix with corn or pod | 23 |
| Prefix with corn or form | 24 |
| Prefix with corn or dent | 24 |
| Prefix with corn or cycle | 25 |
| Prefix with corn or color | 25 |
| Prefix with corn and form | 25 |
| Prefix with corn | 16 |
| Prefix with copier | 18 |
| Prefix with cop, in a film title | 32 |
| Prefix with cool or cook | 24 |
| Prefix with cool | 16 |
| Prefix with cook or heat | 24 |
| Prefix with continental | 23 |
| Prefix with content | 19 |
| Prefix with consumer or catastrophe | 35 |
| Prefix with consumer | 20 |
| Prefix with conservative or orthodox | 36 |
| Prefix with conservative or natal | 33 |
| Prefix with conservative or liberal | 35 |
| Prefix with conservative | 24 |
| Prefix with conscious or colon | 30 |
| Prefix with conscious | 21 |
| Prefix with conformist | 22 |
| Prefix with conferencing | 24 |
| Prefix with conference or commute | 33 |
| Prefix with conference | 22 |
| Prefix with cone | 16 |
| Prefix with conductor or trailer | 32 |
| Prefix with conductor | 21 |
| Prefix with concert | 19 |
| Prefix with con or cortex | 25 |
| Prefix with con or classical | 28 |
| Prefix with con | 15 |