There are 20 words that end with 'athes'.
bathes | lathes | loathes |
scathes | snathes | spathes |
swathes | breathes | sheathes |
wreathes | enswathes | inswathes |
sunbathes | unswathes | ensheathes |
enwreathes | inbreathes | insheathes |
unsheathes | unwreathes | |
Note: These 20 words that end with 'athes' are found from the USA & Canada version of the tournament Scrabble word list.