There are 16 words that end with 'stion'.
| bastion | egestion |
| question | digestion |
| ingestion | combustion |
| congestion | exhaustion |
| suggestion | indigestion |
| redigestion | decongestion |
| predigestion | precombustion |
| autosuggestion | counterquestion |
Note: These 16 words that end with 'stion' are found from the USA & Canada version of the tournament Scrabble word list.