There are 14 words that start with 'semim'.
| semimat | semimatt |
| semimild | semimute |
| semimatte | semimetal |
| semimicro | semimoist |
| semimetals | semimonthly |
| semimetallic | semimonastic |
| semimystical | semimonthlies |
Note: These 14 words that start with 'semim' are found from the USA & Canada version of the tournament Scrabble word list.