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12-Letter Words End with 'ional'

There are 69 12-letter words that end with 'ional'.

bifunctional	aberrational	adaptational
annexational	antinational	antirational
apparitional	appositional	aspirational
declensional	definitional	depositional
derivational	difunctional	digressional
dilatational	distortional	complexional
conceptional	concessional	confessional
connectional	convectional	conventional
conversional	correctional	maturational
excavational	expositional	expressional
levitational	limitational	motivational
foundational	generational	imbibitional
indicational	inflectional	inhalational
innovational	intonational	invitational
invocational	involutional	irrotational
navigational	nonemotional	nonfictional
occupational	populational	possessional
salutational	perceptional	perorational
speciational	oppositional	recreational
reflectional	precessional	processional
productional	professional	projectional
proportional	repetitional	reputational
successional	transitional	vegetational

Note: These 69 12-letter words that end with 'ional' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words end with tional, sional, gional, xional, dional, rional.

8-letter words end with 'ional' (8)
9-letter words end with 'ional' (21)
10-letter words end with 'ional' (31)
11-letter words end with 'ional' (58)
12-letter words end with 'ional' (69)
13-letter words end with 'ional' (80)
14-letter words end with 'ional' (43)
15-letter words end with 'ional' (34)

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