There are 10 words that end with 'thins'.
| thins | withins |
| xanthins | lecithins |
| sympathins | cephalothins |
| fucoxanthins | lysolecithins |
| strophanthins | canthaxanthins |
Note: These 10 words that end with 'thins' are found from the USA & Canada version of the tournament Scrabble word list.