10-Letter Words End with 'onal'

There are 45 10-letter words that end with 'onal'.

additional	adhesional	antiphonal
binational	citational	decisional
delusional	devotional	divisional
gyrational	heptagonal	ideational
illusional	meridional	microtonal
equational	excisional	locational
monoclonal	mutational	fractional
frictional	functional	impersonal
interzonal	intrazonal	irrational
isochronal	junctional	negational
notational	nutational	occasional
polyclonal	positional	rotational
pentagonal	pheromonal	orthogonal
relational	synchronal	tetragonal
tractional	vocational	volitional

Note: These 45 10-letter words that end with 'onal' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words end with ional, gonal, sonal, ronal, tonal, monal, zonal, conal, lonal, honal, oonal, yonal, bonal, eonal, xonal.

5-letter words end with 'onal' (2)
6-letter words end with 'onal' (7)
7-letter words end with 'onal' (7)
8-letter words end with 'onal' (25)
9-letter words end with 'onal' (33)
10-letter words end with 'onal' (45)
11-letter words end with 'onal' (62)
12-letter words end with 'onal' (70)
13-letter words end with 'onal' (88)
14-letter words end with 'onal' (43)
15-letter words end with 'onal' (34)