There are 8 5-letter words that end with 'ion'.
| avion | axion | anion | inion | scion |
| onion | prion | union | ||
Note: These 8 5-letter words that end with 'ion' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with tion, sion, lion, nion, rion, xion, hion, pion, gion, mion, cion, dion, vion, bion, eion, zion.
4-letter words end with 'ion' (3)