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There are 18 fifteen-letter words containing RATIONA

ACCULTURATIONALacculturational adj. Of or pertaining to acculturation.
ACCULTURATIONAL adj. relating to acculturation, also ACCULTURATIVE.
ANTIRATIONALISMantirationalism n. (Philosophy) The philosophical position that opposes rationalism.
ANTIRATIONALISM n. opposition to rationalism.
ANTIRATIONALISTantirationalist adj. (Philosophy) Opposing philosophical rationalism.
antirationalist n. (Philosophy) One who rejects philosophical rationalism.
ANTIRATIONALIST n. one opposed to rationalism.
ANTIRATIONALITYantirationality n. The quality of being antirational.
ANTIRATIONALITY n. being opposed to rationality.
COMMEMORATIONALcommemorational adj. Relating to commemoration; commemorative.
COMMEMORATIONAL adj. serving to commemorate.
CONFIGURATIONALconfigurational adj. Of or pertaining to a configuration.
configurational adj. (Grammar) Of a language: having a relatively fixed style of grammar where the subject of a sentence…
CONFIGURATIONAL adj. relating to configuration.
DEMONSTRATIONALdemonstrational adj. Involving, or relating to, demonstration.
DEMONSTRATIONAL adj. relating to demonstration.
INSPIRATIONALLYinspirationally adv. In an inspirational manner.
INSPIRATIONAL adv. relating to inspiration.
IRRATIONALISINGirrationalising v. Present participle of irrationalise.
IRRATIONALISE v. to make irrational, also IRRATIONALIZE.
IRRATIONALISTICirrationalistic adj. Of or relating to irrationalism.
IRRATIONALISTIC adj. relating to irrationalism.
IRRATIONALITIESirrationalities n. Plural of irrationality.
IRRATIONALITY n. the state of being irrational.
IRRATIONALIZINGirrationalizing v. Present participle of irrationalize.
IRRATIONALIZE v. to make irrational, also IRRATIONALISE.
OPERATIONALISMSoperationalisms n. Plural of operationalism.
OPERATIONALISM n. the theory that defines scientific concepts by means of the operations used to prove or determine them, also OPERATIONISM.
OPERATIONALISTSoperationalists n. Plural of operationalist.
OPERATIONALIST n. an exponent of operationalism.
ORCHESTRATIONALorchestrational adj. Of or pertaining to orchestration.
ORCHESTRATIONAL adj. relating to orchestration.
RATIONALISATIONrationalisation n. (British spelling) alternative spelling of rationalization.
RATIONALISATION n. the act of rationalising, also RATIONALIZATION.
RATIONALIZATIONrationalization n. The process or result of rationalizing.
rationalization n. A statement of one’s motives, or of the causes of some event.
rationalization n. A reorganization of a company or organization in order to improve its efficiency.
TRANSPIRATIONALtranspirational adj. Pertaining to transpiration.
TRANSPIRATIONAL adj. relating to transpiration, also TRANSPIRATORY.

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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See this list for:

  • English Wiktionary: 62 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 27 words


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