There are 12 words that end with 'owths'.
| rowths | growths | trowths |
| ingrowths | regrowths | upgrowths |
| outgrowths | pregrowths | overgrowths |
| intergrowths | supergrowths | undergrowths |
Note: These 12 words that end with 'owths' are found from the USA & Canada version of the tournament Scrabble word list.