There are 14 words that end with 'yzing'.
| analyzing | dialyzing | 
| autolyzing | catalyzing | 
| hemolyzing | paralyzing | 
| pyrolyzing | hydrolyzing | 
| photolyzing | reanalyzing | 
| plasmolyzing | electrolyzing | 
| overanalyzing | psychoanalyzing | 
Note: These 14 words that end with 'yzing' are found from the USA & Canada version of the tournament Scrabble word list.