15-Letter Words End with 'ation'

There are 160 15-letter words that end with 'ation'.

autocorrelation	acclimatization
alphabetization	antisegregation
antispeculation	cannibalization
catheterization	circularization
circumvallation	civilianization
codetermination	criminalization
crystallization	cyanoethylation
deacidification	decalcification
decarboxylation	decarburization
decasualization	decertification
deconcentration	decontamination
deglamorization	dehydrogenation
demagnetization	democratization
demystification	denitrification
desacralization	desensitization
desertification	desexualization
destabilization	desulfurization
detribalization	devitrification
diagonalization	dichotomization
differentiation	disarticulation
discontinuation	disintoxication
disorganization	diversification
commodification	complementation
computerization	conveyorization
electrification	hospitalization
hypersalivation	hypostatization
marginalization	masculinization
materialization	mathematization
megacorporation	miniaturization
etherealization	excommunication
exemplification	experimentation
extemporisation	extemporization
exteriorization	externalisation
externalization	latensification
misregistration	misvocalization
formularization	frenchification
familiarization	immortalization
inconsideration	indemnification
indetermination	infantilization
instrumentation	insubordination
intensification	interdigitation
intergeneration	interiorization
intermodulation	internalization
interpopulation	intervisitation
intrapopulation	nationalization
nonconservation	nonexploitation
objectification	phosphatization
phosphorylation	photoexcitation
photoionization	postdevaluation
postinoculation	postirradiation
postpollination	poststimulation
postvaccination	romanticization
parametrization	personalization
personification	standardization
oligomerization	overapplication
overcultivation	overelaboration
overexpectation	overspeculation
overstimulation	overutilization
quadruplication	rationalization
reaccreditation	reafforestation
reauthorization	recertification
reconcentration	reconfiguration
reconsideration	recontamination
redetermination	refortification
precancellation	preimplantation
premodification	prenotification
preregistration	procrastination
prognostication	proselytization
prussianization	regionalization
reincorporation	reinvestigation
reorchestration	reprivatization
resocialization	revisualization
suboptimization	suborganization
suburbanization	subvocalization
supersaturation	supplementation
syllabification	synchronisation
synchronization	systematization
transfiguration	transliteration
transplantation	ultrafiltration
underestimation	vascularization

Note: These 160 15-letter words that end with 'ation' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words end with zation, cation, lation, tation, ration, nation, iation, gation, mation, vation, dation, uation, sation, pation, xation, bation, eation, kation, fation.

6-letter words end with 'ation' (4)
7-letter words end with 'ation' (6)
8-letter words end with 'ation' (54)
9-letter words end with 'ation' (120)
10-letter words end with 'ation' (217)
11-letter words end with 'ation' (349)
12-letter words end with 'ation' (327)
13-letter words end with 'ation' (315)
14-letter words end with 'ation' (241)
15-letter words end with 'ation' (160)