There are 12 13-letter words that end with 'fying'.
| declassifying | dehumidifying |
| disqualifying | dissatisfying |
| complexifying | saccharifying |
| reclassifying | prequalifying |
| presignifying | prespecifying |
| reidentifying | resolidifying |
Note: These 12 13-letter words that end with 'fying' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ifying, efying, sfying, ffying, ofying, ufying, yfying.
7-letter words end with 'fying' (1)