There are 4 14-letter words that start with 'inst'.
instantiations | instructorship |
instructresses | instrumentally |
Note: These 4 14-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)