There are 4 13-letter words that end with 'bing'.
| misdescribing | moneygrubbing | 
| nightclubbing | superscribing | 
Note: These 4 13-letter words that end with 'bing' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with bbing, mbing, ibing, rbing, obing, ubing, ybing.
6-letter words end with 'bing' (9)