There are 9 7-letter words that start with 'inst'.
install | instals | instant | instars |
instate | instead | insteps | instill |
instils | |||
Note: These 9 7-letter words that start with 'inst' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with insta, insti, instr, inste.
6-letter words start with 'inst' (4)