There are 19 9-letter words that end with 'ssing'.
| bekissing | accessing | assessing | 
| bypassing | caressing | degassing | 
| egressing | embossing | harassing | 
| hocussing | excessing | finessing | 
| focussing | obsessing | schussing | 
| recessing | repassing | stressing | 
| uptossing | ||
Note: These 19 9-letter words that end with 'ssing' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with essing, assing, ussing, ossing, issing.
7-letter words end with 'ssing' (24)