There are 14 words that end with 'toning'.
| toning | atoning | stoning | 
| intoning | buttoning | cantoning | 
| cartoning | cottoning | wantoning | 
| misatoning | holystoning | rebuttoning | 
| unbuttoning | misbuttoning | |
Note: These 14 words that end with 'toning' are found from the USA & Canada version of the tournament Scrabble word list.