There are 4 14-letter words that start with 'mot'.
| motherlessness | motherlinesses | 
| motionlessness | motivationally | 
Note: These 4 14-letter words that start with 'mot' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with moto, moth, moti, mott, mote, motl, motm, mots.
4-letter words start with 'mot' (4)