13-Letter Words End with 'ious'

There are 24 13-letter words that end with 'ious'.

antireligious	disharmonious
conscientious	hypercautious
inefficacious	noncontagious
nongregarious	noninfectious
nonnutritious	sanctimonious
perspicacious	semiconscious
semireligious	overambitious
overconscious	overingenious
subreptitious	supercautious
superstitious	surreptitious
ultracautious	unceremonious
uncontentious	unpretentious

Note: These 24 13-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)
6-letter words end with 'ious' (1)
7-letter words end with 'ious' (22)
8-letter words end with 'ious' (24)
9-letter words end with 'ious' (63)
10-letter words end with 'ious' (55)
11-letter words end with 'ious' (40)
12-letter words end with 'ious' (33)
13-letter words end with 'ious' (24)
14-letter words end with 'ious' (11)
15-letter words end with 'ious' (3)