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

CORTICOTROPICcorticotropic adj. (Medicine) That stimulates the adrenal cortex; of or pertaining to corticotropin.
CORTICOTROPIC adj. stimulating the adrenal cortex, also CORTICOTROPHIC.
CORTICOTROPINcorticotropin n. (Biochemistry, endocrinology) Synonym of adrenocorticotropic hormone.
CORTICOTROPIN n. a hormone that stimulates the adrenal gland, also CORTICOTROPHIN.
ORTHOPTEROIDSorthopteroids n. Plural of orthopteroid.
ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
ORTHOTROPISMSORTHOTROPISM n. vertical growth.
PROPORTIONATEproportionate adj. In proportion; proportional; commensurable.
proportionate adj. Harmonious and symmetrical.
proportionate v. (Transitive) To make proportionate.
PROTOHISTORICprotohistoric adj. Of or pertaining to protohistory.
PROTOHISTORIC adj. relating to protohistory.
PROTONOTARIALPROTONOTARIAL adj. of or like a protonotary, a principle law clerk in certain courts of law.
PROTONOTARIATPROTONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTHONOTARIAT.
PROTONOTARIESprotonotaries n. Plural of protonotary.
PROTONOTARY n. a court clerk; a chief clerk of any of various courts of law, also PROTHONOTARY.
PROTOTROPHIESprototrophies n. Plural of prototrophy.
PROTOTROPHY n. the state of being prototrophic.
TROPHOTROPISMtrophotropism n. The movements of the organs in a growing plant, as towards nutrient substances, induced by the chemical…
TROPHOTROPISM n. direction of growth by nutritional factors.

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: 52 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 9 words
  • Scrabble in Italian: 60 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 130 words


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