There are 11 12-letter words that end with 'iated'.
| beneficiated | appropriated | domiciliated |
| expropriated | instantiated | renegotiated |
| unaffiliated | unalleviated | unassociated |
| undefoliated | unirradiated | |
Note: These 11 12-letter words that end with 'iated' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ciated, riated, liated, tiated, diated, viated, niated, piated, biated, giated, hiated, xiated.
7-letter words end with 'iated' (2)