There are 16 8-letter words that end with 'ising'.
| advising | braising | bruising | cruising | 
| demising | devising | excising | liaising | 
| incising | iodising | ionising | praising | 
| remising | rerising | revising | uprising | 
Note: These 16 8-letter words that end with 'ising' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with lising, rising, nising, tising, mising, cising, aising, dising, vising, hising, oising, gising, uising, eising, sising, pising, wising.
6-letter words end with 'ising' (3)