There are 13 words that end with 'onging'.
| bonging | gonging | longing |
| ponging | tonging | sponging |
| pronging | wronging | belonging |
| thronging | prolonging | dingdonging |
| diphthonging | ||
Note: These 13 words that end with 'onging' are found from the USA & Canada version of the tournament Scrabble word list.