List of 15-letter words ending with

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There are 19 fifteen-letter words ending with RATION

DECONCENTRATION	• deconcentration n. The act of deconcentrating. • DECONCENTRATION n. the act of deconcentrating.
ELECTROPORATION	• electroporation n. (Biotechnology) the creation of transient pores in the cell membrane, through the application of a high-voltage…
INCONSIDERATION	• inconsideration n. Lack of due consideration; inattention to consequences, thoughtlessness. • INCONSIDERATION n. the state of being inconsiderate.
INTERGENERATION	• intergeneration adj. Between generations. • INTERGENERATION n. between generations.
MEGACORPORATION	• megacorporation n. A corporation or business entity of immense size and influence. • MEGACORPORATION n. a huge and powerful corporation.
MICROGENERATION	• microgeneration n. (Uncountable) The generation of zero-carbon or low-carbon heat and power by individuals, small businesses… • microgeneration n. (Countable, demography) A demographic or cohort similar to a generation but covering a shorter timespan. • micro-generation n. Alternative spelling of microgeneration.
MISREGISTRATION	• misregistration n. Incorrect registration (in any sense). • MISREGISTRATION n. a wrong registration.
OVERELABORATION	• overelaboration n. Excessive elaboration; going into too much detail. • OVERELABORATION n. excessive elaboration.
OVERPREPARATION	• overpreparation n. Excessive preparation. • OVERPREPARATION n. excessive preparation.
PREREGISTRATION	• preregistration n. An early registration, before the normal or traditional time, as with early online check-in at hotels. • preregistration n. Registration (of a study design) before a clinical trial (or any other type of scientific experiment)… • preregistration adj. Before registration.
RECONCENTRATION	• reconcentration n. A second or subsequent concentration. • reconcentration n. (Historical) The act or policy of concentrating the rural population in or around towns and villages… • RECONCENTRATION n. the act of reconcentrating.
RECONFIGURATION	• reconfiguration n. A reconfigured state. • reconfiguration n. The act of reconfiguring. • RECONFIGURATION n. the act of reconfiguring.
RECONSIDERATION	• reconsideration n. The act of reconsidering or something reconsidered. • RECONSIDERATION n. the act of reconsidering.
REINCORPORATION	• reincorporation n. The act of reincorporating. • reincorporation n. The condition of being reincorporated. • REINCORPORATION n. the act of reincorporating.
REORCHESTRATION	• reorchestration n. Second or subsequent orchestration. • REORCHESTRATION n. the act of reorchestrating.
SUPERSATURATION	• supersaturation n. (Physics) The condition of a solution being more highly concentrated than is normally possible. • supersaturation n. (Physics) the condition of a vapour having a higher saturation vapour pressure than is normally possible. • supersaturation n. (Physiology) The condition of a solution of gases in a tissue having a higher concentration in terms…
TRANSFIGURATION	• transfiguration n. A major change in appearance or form; a metamorphosis. • transfiguration n. A change that exalts or glorifies. • transfiguration n. Superposition of one or more ideal-elements in comparison with other real ones, often through imagination…
TRANSLITERATION	• transliteration n. (Linguistics, translation studies) The act or product of transliterating, of representing letters or… • transliteration n. (Sign language) The act or product of rendering speech in sign language, or vice versa. • TRANSLITERATION n. the act of transliterating.
ULTRAFILTRATION	• ultrafiltration n. Filtration through a semipermeable membrane that only allows small molecules through. • ULTRAFILTRATION n. filtration through a medium (as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein).

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 144 words
Scrabble in French: 16 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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