There are 6 14-letter words that start with 'fre'.
| freakishnesses | freehandedness | 
| freewheelingly | frequentations | 
| frequentatives | frequentnesses | 
Note: These 6 14-letter words that start with 'fre' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with free, fres, fren, fret, freq, frea, frei, frec, frem, frer.
4-letter words start with 'fre' (2)