There are 13 7-letter words that start with 'sel'.
| selects | selenic | selfdom | selfing | 
| selfish | selkies | sellers | selling | 
| selloff | sellout | selsyns | seltzer | 
| selvage | |||
Note: These 13 7-letter words that start with 'sel' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with sele, self, sell, sela, selv, sels, seld, selk, selt, selc.
4-letter words start with 'sel' (3)