There are 22 7-letter words that end with 'ious'.
| bilious | anxious | carious | curious |
| devious | copious | dubious | envious |
| furious | folious | impious | nimious |
| noxious | obvious | rubious | sanious |
| serious | simious | osmious | tedious |
| various | vicious | ||
Note: These 22 7-letter words that end with 'ious' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with cious, tious, rious, nious, dious, gious, vious, lious, mious, xious, bious, pious, hious, uious.
5-letter words end with 'ious' (1)