There are 15 words that end with 'pening'.
| opening | ripening | dampening |
| deepening | happening | lippening |
| reopening | cheapening | crispening |
| plumpening | sharpening | preopening |
| steepening | nonhappening | resharpening |
Note: These 15 words that end with 'pening' are found from the USA & Canada version of the tournament Scrabble word list.