There are 16 words that end with 'fusion'.
| fusion | affusion |
| effusion | infusion |
| diffusion | confusion |
| perfusion | profusion |
| suffusion | interfusion |
| transfusion | circumfusion |
| interdiffusion | autotransfusion |
| immunodiffusion | posttransfusion |
Note: These 16 words that end with 'fusion' are found from the USA & Canada version of the tournament Scrabble word list.