| Prefix with -vert | 17 |
| Prefix with -zene | 17 |
| Prefix with -zoan | 17 |
| Prefix with -zoic | 17 |
| Prefix with acetylene | 21 |
| Prefix with act or form | 23 |
| Prefix with act or grade | 24 |
| Prefix with act or state | 24 |
| Prefix with action or figure | 28 |
| Prefix with active | 18 |
| Prefix with active or grade | 27 |
| Prefix with adroit | 18 |
| Prefix with adroit or apropos | 29 |
| Prefix with adventure or fortune | 32 |
| Prefix with afternoon | 21 |
| Prefix with air or field | 24 |
| Prefix with aircraft | 20 |
| Prefix with allergen or biology | 31 |
| Prefix with ambulist | 20 |
| Prefix with America | 19 |
| Prefix with American | 20 |
| Prefix with angle | 17 |
| Prefix with angle or athlete | 28 |
| Prefix with angle or borough | 28 |
| Prefix with angle or lingual | 28 |
| Prefix with angle or meter | 26 |
| Prefix with angle or ode | 24 |
| Prefix with angle or pod | 24 |
| Prefix with angle or state | 26 |
| Prefix with angular | 19 |
| Prefix with annual | 18 |
| Prefix with anthropology | 24 |
| Prefix with apple | 17 |
| Prefix with approve | 19 |
| Prefix with arrange | 19 |
| Prefix with array or robe | 25 |
| Prefix with arthritis | 21 |
| Prefix with Aryan | 17 |
| Prefix with Asian | 17 |
| Prefix with athlete | 19 |
| Prefix with athlete or angle | 28 |
| Prefix with athlete or atomic | 29 |
| Prefix with athlete or state | 28 |
| Prefix with Atlantic | 20 |
| Prefix with Atlantic or act | 27 |
| Prefix with axial or angle | 26 |
| Prefix with babble | 18 |
| Prefix with bacteria | 20 |
| Prefix with bacterial or ballistic | 34 |
| Prefix with balance | 19 |
| Prefix with ballistic | 21 |
| Prefix with ballistic or dynamic | 32 |
| Prefix with ballistic, dynamic or lite | 38 |
| Prefix with ballistics or magnetic | 34 |
| Prefix with ballistics or magnetics | 35 |
| Prefix with band or diction | 27 |
| Prefix with bank or dollar | 26 |
| Prefix with baptist | 19 |
| Prefix with Baptist or basis | 28 |
| Prefix with bar | 15 |
| Prefix with bar or bath | 23 |
| Prefix with bar or gloss | 24 |
| Prefix with bar or gram | 23 |
| Prefix with bar or graph | 24 |
| Prefix with bar or lateral | 26 |
| Prefix with bar or pod | 22 |
| Prefix with bar or therm | 24 |
| Prefix with bar or tope | 23 |
| Prefix with barbital | 20 |
| Prefix with bat or phobia | 25 |
| Prefix with beater | 18 |
| Prefix with begotten | 20 |
| Prefix with bel | 15 |
| Prefix with bel or meter | 24 |
| Prefix with bellum | 18 |
| Prefix with benzene | 19 |
| Prefix with biography | 21 |
| Prefix with biology | 19 |
| Prefix with biotic | 18 |
| Prefix with blast | 17 |
| Prefix with blast or carp | 25 |
| Prefix with blast or path | 25 |
| Prefix with bodies | 18 |
| Prefix with body | 16 |
| Prefix with body or dote | 24 |
| Prefix with bond | 16 |
| Prefix with bond or dollar | 26 |
| Prefix with bond or market | 26 |
| Prefix with borough | 19 |
| Prefix with botany | 18 |
| Prefix with botany or history | 29 |
| Prefix with bound | 17 |
| Prefix with braten or kraut | 27 |
| Prefix with brewery | 19 |
| Prefix with brow | 16 |
| Prefix with bucks | 17 |
| Prefix with bucks or bytes | 26 |
| Prefix with bucks or phone | 26 |
| Prefix with buoy or gram | 24 |
| Prefix with bus | 15 |