There are 13 words that end with 'ffin'.
| biffin | boffin |
| coffin | muffin |
| puffin | tiffin |
| griffin | paraffin |
| uncoffin | chromaffin |
| ragamuffin | cycloparaffin |
| nitroparaffin | |
Note: These 13 words that end with 'ffin' are found from the USA & Canada version of the tournament Scrabble word list.