There are 11 words that end with 'thons'.
| pythons | benthons |
| marathons | telethons |
| phonathons | talkathons |
| trilithons | walkathons |
| autochthons | anacoluthons |
| ultramarathons | |
Note: These 11 words that end with 'thons' are found from the USA & Canada version of the tournament Scrabble word list.