There are 20 words that end with 'exing'.
| exing | hexing | sexing | 
| vexing | flexing | annexing | 
| desexing | fedexing | indexing | 
| telexing | unsexing | duplexing | 
| reflexing | autosexing | coannexing | 
| complexing | perplexing | reannexing | 
| reindexing | multiplexing | |
Note: These 20 words that end with 'exing' are found from the USA & Canada version of the tournament Scrabble word list.