There are 11 words that end with 'psing'.
| lapsing | elapsing | woopsing | 
| eclipsing | glimpsing | relapsing | 
| synapsing | traipsing | collapsing | 
| incorpsing | prolapsing | |
Note: These 11 words that end with 'psing' are found from the USA & Canada version of the tournament Scrabble word list.