There are 11 words that end with 'efying'.
| defying | casefying | rarefying |
| redefying | tepefying | tumefying |
| liquefying | putrefying | stupefying |
| torrefying | reliquefying | |
Note: These 11 words that end with 'efying' are found from the USA & Canada version of the tournament Scrabble word list.