There are 29 9-letter words that start with 'overt'.
Note: These 29 9-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)