There are 9 words that start with 'synec'.
| synectic | synecdoche |
| synecology | synecdoches |
| synecdochic | synecologies |
| synecdochical | synecological |
| synecdochically | |
Note: These 9 words that start with 'synec' are found from the USA & Canada version of the tournament Scrabble word list.