| A | B |
|---|
| subclass | a secondary class |
| subconscious | the part of the mind that is not fully aware |
| subdivide | to divide something that has already been divided |
| subgroup | a group that is already part of another group |
| sublease | a lease of property to a tenant |
| superabundant | excessive in quantity |
| superclean | extremely free of dirt |
| supercharge | extra energy supply |
| superdifficult | requiring an extreme amount of skill |
| superhuman | a person showing extreme ability |
| superman | a man with exceptional ability |
| supernatural | a force beyond scientific understanding |
| semiactive | partially engaged in activity |
| semiautomatic | partially working by itself |
| semifinal | the game or round right before the final |
| semifinished | partially completed |
| semipro | somewhat professional |
| semiskilled | having the ability to do something somewhat well |
| semistiff | partially unable to bend easily |
| semiweekly | occurring twice weekly |
