There are 15 12-letter words that end with 'ening'.
| damaskeening | disburdening | contravening |
| enlightening | foretokening | nonfattening |
| nonhappening | outbrazening | refreshening |
| prehardening | prescreening | remoistening |
| resharpening | retightening | sunscreening |
Note: These 15 12-letter words that end with 'ening' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with tening, dening, kening, eening, hening, pening, vening, zening, sening, fening, mening, cening, iening, lening, rening.
7-letter words end with 'ening' (6)