There are 4 15-letter words that end with 'iate'.
| circumstantiate | dedifferentiate |
| intercollegiate | photodissociate |
Note: These 4 15-letter words that end with 'iate' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with riate, ciate, tiate, liate, diate, viate, giate, niate, biate, piate, siate, hiate, xiate.
6-letter words end with 'iate' (2)