There are 8 13-letter words that start with 'bea'.
| bearabilities | beardednesses | 
| bearishnesses | beastlinesses | 
| beatification | beauteousness | 
| beautifullest | beautifulness | 
Note: These 8 13-letter words that start with 'bea' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with bear, beau, beac, bead, beat, bean, beam, beak, beas, beav, beag.
4-letter words start with 'bea' (7)