There are 21 words that end with 'outing'.
| outing | louting | pouting | 
| routing | touting | clouting | 
| grouting | glouting | flouting | 
| knouting | scouting | shouting | 
| snouting | spouting | sprouting | 
| ragouting | rerouting | beshouting | 
| misrouting | outshouting | resprouting | 
Note: These 21 words that end with 'outing' are found from the USA & Canada version of the tournament Scrabble word list.