There are 13 words that end with 'mouths'.
| mouths | badmouths |
| bigmouths | vermouths |
| warmouths | goalmouths |
| loudmouths | poormouths |
| largemouths | motormouths |
| smallmouths | cottonmouths |
| blabbermouths | |
Note: These 13 words that end with 'mouths' are found from the USA & Canada version of the tournament Scrabble word list.