There are 15 words that end with 'iot'.
riot | griot | idiot |
heriot | galiot | chariot |
cheviot | galliot | patriot |
preriot | symbiot | antiriot |
postriot | compatriot | superpatriot |
Note: These 15 words that end with 'iot' are found from the USA & Canada version of the tournament Scrabble word list.