There are 81 words that end with 'oons'.
Note: These 81 words that end with 'oons' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with roons, toons, poons, coons, loons, doons, soons, goons, noons, zoons, boons, moons, hoons, foons, koons, woons.