There are 11 13-letter words that start with 'att'.
| attainability | attentiveness |
| attitudinally | attitudinised |
| attitudinises | attitudinized |
| attitudinizes | attorneyships |
| attractancies | attributional |
| attributively | |
Note: These 11 13-letter words that start with 'att' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with atte, attr, atta, atti, atto, attu.
5-letter words start with 'att' (2)