There are 19 words that end with 'ouths'.
| couths | mouths |
| rouths | souths |
| youths | drouths |
| scouths | badmouths |
| bigmouths | vermouths |
| warmouths | goalmouths |
| loudmouths | poormouths |
| largemouths | motormouths |
| smallmouths | cottonmouths |
| blabbermouths | |
Note: These 19 words that end with 'ouths' are found from the USA & Canada version of the tournament Scrabble word list.