There are 12 words that end with 'ionate'.
| thionate | passionate |
| propionate | fractionate |
| affectionate | companionate |
| extortionate | dispassionate |
| compassionate | proportionate |
| unaffectionate | uncompassionate |
Note: These 12 words that end with 'ionate' are found from the USA & Canada version of the tournament Scrabble word list.