There are 18 8-letter words that start with 'jac'.
| jacamars | jacinthe | jacinths | jackaroo | 
| jackboot | jackdaws | jackeroo | jacketed | 
| jackfish | jacklegs | jackpots | jackroll | 
| jackstay | jacobins | jaconets | jacquard | 
| jaculate | jacuzzis | ||
Note: These 18 8-letter words that start with 'jac' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with jack, jaca, jaco, jacu, jaci, jacq, jact.
4-letter words start with 'jac' (1)