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List of 13-letter words containing

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There are 20 thirteen-letter words containing I, N, 3O, 2R and T

ANTICORROSIONanticorrosion adj. Preventing corrosion.
ANTICORROSION n. the prevention or counteracting of corrosion.
CHROMOPROTEINchromoprotein n. (Biochemistry) Any protein, such as haemoglobin, that has a metal-containing pigmented group such as haem.
CHROMOPROTEIN n. any of various proteins (as hemoglobins, carotenoids, or flavoproteins) having a pigment as a prosthetic group.
COCONSPIRATORcoconspirator n. Alternative spelling of co-conspirator.
co-conspirator n. A person involved with others in a conspiracy.
COCONSPIRATOR n. a joint conspirator.
CORROBORATINGcorroborating v. Present participle of corroborate.
corroborating adj. Supporting.
CORROBORATE v. to support with evidence or authority.
CORROBORATIONcorroboration n. The act of corroborating, strengthening, or confirming; addition of strength; confirmation.
corroboration n. That which corroborates.
CORROBORATION n. corroboration.
CORTICOTROPINcorticotropin n. (Biochemistry, endocrinology) Synonym of adrenocorticotropic hormone.
CORTICOTROPIN n. a hormone that stimulates the adrenal gland, also CORTICOTROPHIN.
DISPROPORTIONdisproportion n. The state of being out of proportion; an abnormal or improper ratio; an imbalance.
disproportion n. Lack of suitableness, adequacy, or due proportion to an end or use; unsuitableness.
disproportion v. (Transitive) To make unsuitable in quantity, form, or fitness; to violate symmetry in; to mismatch.
INCORPORATIONincorporation n. The act of incorporating, or the state of being incorporated.
incorporation n. The union of different ingredients in one mass; mixture; combination; synthesis.
incorporation n. The union of something with a body already existing; association; intimate union; assimilation.
INCORPORATORSincorporators n. Plural of incorporator.
INCORPORATOR n. one who incorporates.
ISOPROTERENOLisoproterenol n. (Pharmacology) Synonym of isoprenaline.
ISOPROTERENOL n. a sympathomimetic agent used in the treatment of asthma.
MISPROPORTIONmisproportion v. (Transitive) To give the wrong proportions to.
MISPROPORTION v. to proportion wrongly.
ORNITHOMORPHSornithomorphs n. Plural of ornithomorph.
ORNITHOMORPH n. a figure or design in the form of a bird.
OVERPROMOTINGoverpromoting v. Present participle of overpromote.
OVERPROMOTE v. to promote excessively.
POLTROONERIESpoltrooneries n. Plural of poltroonery.
POLTROONERY n. mean pusillanimity, cowardice.
PROPORTIONALSproportionals n. Plural of proportional.
PROPORTIONAL n. a number or quantity in a proportion.
PROPORTIONATEproportionate adj. In proportion; proportional; commensurable.
proportionate adj. Harmonious and symmetrical.
proportionate v. (Transitive) To make proportionate.
PROPORTIONINGproportioning v. Present participle of proportion.
PROPORTIONING n. an adjustment of proportions.
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.

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: 133 words
  • Scrabble in French: 45 words
  • Scrabble in Spanish: 36 words
  • Scrabble in Italian: 188 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 235 words


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