13-Letter Words End with 'tion'

There are 370 13-letter words that end with 'tion'.

authorization	autoinfection
bacterization	balkanization
barbarization	beatification
beneficiation	accommodation
accreditation	acculturation
accustomation	acetification
acidification	actualization
afforestation	agglomeration
agglutination	amplification
anglicization	animalization
antievolution	antipollution
antirejection	appropriation
approximation	arabicization
argumentation	aromatization
assassination	brutalization
calcification	caprification
carbonization	carbonylation
carboxylation	carburization
cartelization	catechization
cauterization	cephalization
certification	chemisorption
cicatrization	circumvention
clarification	coalification
cocainization	cocultivation
collaboration	cycloaddition
dandification	decarbonation
decerebration	decomposition
decortication	decrepitation
defibrination	deforestation
degranulation	demonstration
demyelination	densification
denticulation	deodorization
deoxygenation	derealization
desegregation	deterioration
determination	diazotization
dieselization	discoloration
disconnection	disinhibition
disproportion	dissemination
dissimilation	dissimulation
commemoration	commiseration
communication	communization
concatenation	concentration
confabulation	confederation
configuration	conflagration
confrontation	consideration
consolidation	constellation
consternation	contamination
contemplation	contraception
contradiction	contravention
cornification	corroboration
counteraction	documentation
dogmatization	domestication
domiciliation	dramatisation
dramatization	electrocution
encapsulation	glycosylation
gratification	hallucination
harmonization	haruspication
hellenization	hybridization
hydrogenation	hydroxylation
hyperfunction	hypothecation
magnetization	magnification
malabsorption	maladaptation
manifestation	martyrization
matriculation	mechanization
mercerization	metallization
enculturation	equilibration
eroticization	expectoration
expostulation	expropriation
extermination	extrapolation
extravasation	lignification
linearization	lithification
luteinization	machicolation
misallocation	misassumption
miscegenation	misconception
misconnection	misestimation
misevaluation	misperception
modernisation	modernization
mollification	mortification
multifunction	mummification
mutualization	mystification
formalization	fortification
fossilization	fractionation
fragmentation	frequentation
gallicization	galvanization
germanization	gesticulation
ghettoization	glamorization
globalization	glorification
factorization	falsification
fasciculation	fertilization
feudalization	impersonation
improvisation	incarceration
incardination	incorporation
incrimination	indisposition
individuation	ingurgitation
instantiation	intercalation
interpolation	interposition
interrelation	interrogation
introspection	investigation
isomerization	italicization
jollification	justification
1 2 next

Note: These 370 13-letter words that end with 'tion' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words end with ation, ction, ition, ption, ution, ntion, rtion, etion, stion, otion.

6-letter words end with 'tion' (10)
7-letter words end with 'tion' (28)
8-letter words end with 'tion' (104)
9-letter words end with 'tion' (215)
10-letter words end with 'tion' (331)
11-letter words end with 'tion' (448)
12-letter words end with 'tion' (397)
13-letter words end with 'tion' (370)
14-letter words end with 'tion' (286)
15-letter words end with 'tion' (187)