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There are 11 fifteen-letter words containing I, 2O, R, 3T and U

AUTOTETRAPLOIDSautotetraploids n. Plural of autotetraploid.
AUTOTETRAPLOID n. an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement.
AUTOTETRAPLOIDYautotetraploidy n. The property of being autotetraploid.
AUTOTETRAPLOIDY n. the state of being autotetraploid.
CONSTRUCTIONISTconstructionist adj. Of, pertaining to, or advocating constructionism.
constructionist n. An advocate of constructionism.
constructionist n. One who puts a certain construction upon some writing or instrument, such as the United States Constitution.
COUNTERPETITIONcounterpetition n. An opposing petition set up in response to another petition.
counterpetition v. To petition in opposition to another petition.
COUNTERPETITION n. an opposing petition.
COUNTERPLOTTINGcounterplotting v. Present participle of counterplot.
COUNTERPLOT v. to intrigue against.
OBSTRUCTIONISTSobstructionists n. Plural of obstructionist.
OBSTRUCTIONIST n. someone, esp. a politician in a legislative assembly, who practises obstruction.
POSTSTIMULATORYpoststimulatory adj. After stimulation.
POSTSTIMULATORY adj. following stimulation.
RECONSTITUTIONSreconstitutions n. Plural of reconstitution.
RECONSTITUTION n. the act of reconstituting.
TRINITROTOLUENEtrinitrotoluene n. A highly explosive yellow crystalline substance, (CH3C6H2(NO2)3), obtained by reacting nitric acid with…
TRINITROTOLUENE n. a powerful explosive, commonly called TNT, also TRINITROTOLUOL.
TRINITROTOLUOLStrinitrotoluols n. Plural of trinitrotoluol.
TRINITROTOLUOL n. a powerful explosive, commonly called TNT, also TRINITROTOLUENE.
UTEROGESTATIONSuterogestations n. Plural of uterogestation.
UTEROGESTATION n. gestation in the womb.

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: 86 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 40 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 75 words


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