List of 15-letter words containing

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There are 14 fifteen-letter words containing TRATION

ADMINISTRATIONS	• administrations n. Plural of administration. • ADMINISTRATION n. the performance of executive duties.
DECONCENTRATION	• deconcentration n. The act of deconcentrating. • DECONCENTRATION n. the act of deconcentrating.
DEFENESTRATIONS	• defenestrations n. Plural of defenestration. • DEFENESTRATION n. the act of throwing a thing or person out of a window.
DEMONSTRATIONAL	• demonstrational adj. Involving, or relating to, demonstration. • DEMONSTRATIONAL adj. relating to demonstration.
DEREGISTRATIONS	• deregistrations n. Plural of deregistration. • DEREGISTRATION n. the act of deregistering.
EXCLAUSTRATIONS	• exclaustrations n. Plural of exclaustration. • EXCLAUSTRATION n. a release from religious vows to return to the secular world.
MISREGISTRATION	• misregistration n. Incorrect registration (in any sense). • MISREGISTRATION n. a wrong registration.
ORCHESTRATIONAL	• orchestrational adj. Of or pertaining to orchestration. • ORCHESTRATIONAL adj. relating to orchestration.
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.
RECALCITRATIONS	• recalcitrations n. Plural of recalcitration. • RECALCITRATION n. refractoriness.
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.
REORCHESTRATION	• reorchestration n. Second or subsequent orchestration. • REORCHESTRATION n. the act of reorchestrating.
REREGISTRATIONS	• reregistrations n. Plural of reregistration. • REREGISTRATION n. the act of reregistering.
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.

See this list for:

English Wiktionary: 48 words
Scrabble in French: 7 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 1 word

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