There are 4 13-letter words that start with 'overt'.
| overtalkative | overtaxations |
| overtightened | overtreatment |
Note: These 4 13-letter words that start with 'overt' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with overtr, overta, overti, overth, overto, overtu, overte, overtn, overtl.
7-letter words start with 'overt' (4)