There are 13 10-letter words that start with 'val'.
| valentines | valiancies | validating | 
| validation | validities | vallations | 
| valleculae | vallecular | valorising | 
| valorizing | valorously | valuations | 
| valvulitis | ||
Note: These 13 10-letter words that start with 'val' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with vale, valu, vali, valo, valv, vall, vala, valk, valg, valp, vals.
4-letter words start with 'val' (1)