There are 11 12-letter words that end with 'ving'.
| apperceiving | disapproving | disbelieving | 
| misbelieving | interleaving | interweaving | 
| outachieving | reconceiving | redissolving | 
| preapproving | thanksgiving | |
Note: These 11 12-letter words that end with 'ving' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with iving, aving, oving, rving, eving, lving, vving, yving.
6-letter words end with 'ving' (19)