There are 7 13-letter words that start with 'stat'.
| statelessness | statelinesses | 
| statesmanlike | statesmanship | 
| stationmaster | statistically | 
| statisticians | |
Note: These 7 13-letter words that start with 'stat' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with stati, state, statu, stato, stata, stats.
5-letter words start with 'stat' (2)