There are 15 9-letter words that start with 'inst'.
| installed | installer | instanced |
| instances | instanter | instantly |
| instarred | instating | instigate |
| instilled | instiller | instincts |
| institute | instrokes | instructs |
Note: These 15 9-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)