There are 18 words that end with 'doing'.
| doing | dadoing | redoing |
| undoing | misdoing | fordoing |
| outdoing | evildoing | foredoing |
| overdoing | torpedoing | underdoing |
| wrongdoing | innuendoing | barricadoing |
| bastinadoing | carbonadoing | crescendoing |
Note: These 18 words that end with 'doing' are found from the USA & Canada version of the tournament Scrabble word list.