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There are 19 fifteen-letter words containing C, N, 3O, 2R and S

ARCHEOASTRONOMYarcheoastronomy n. Alternative spelling of archaeastronomy.
ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations.
BRONCHODILATORSbronchodilators n. Plural of bronchodilator.
BRONCHODILATOR n. a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages.
CHONDROPHORINESCHONDROPHORINE n. a member of the Chondrophora, a suborder of hydrozoans similar to medusae but with a different internal structure.
CORTICOSTERONEScorticosterones n. Plural of corticosterone.
CORTICOSTERONE n. a colorless crystalline corticosteroid important in protein and carbohydrate metabolism.
CORTICOTROPHINScorticotrophins n. Plural of corticotrophin.
CORTICOTROPHIN n. a hormone that stimulates the adrenal gland, also CORTICOTROPIN.
COUNTERPROPOSALcounterproposal n. A proposal made as an alternative to another, earlier proposal.
counter-proposal n. Alternative form of counterproposal.
COUNTERPROPOSAL n. a return proposal made by one who has rejected a proposal.
HYDROCORTISONEShydrocortisones n. Plural of hydrocortisone.
HYDROCORTISONE n. a glucocorticoid hormone that is used to treat inflammatory and allergic conditions, aka cortisol.
NONCORRELATIONSnoncorrelations n. Plural of noncorrelation.
NONCORRELATION n. a lack of correlation.
ORGANOCHLORINESorganochlorines n. Plural of organochlorine.
ORGANOCHLORINE n. a compound of chlorine and an organic radical.
OVERCORRECTIONSovercorrections n. Plural of overcorrection.
OVERCORRECTION n. excessive correction.
OVERDECORATIONSoverdecorations n. Plural of overdecoration.
OVERDECORATION n. excessively decoration.
OVERPRODUCTIONSoverproductions n. Plural of overproduction.
OVERPRODUCTION n. excessive production.
OVERPROTECTIONSoverprotections n. Plural of overprotection.
OVERPROTECTION n. excessive protection.
PROGNOSTICATORSprognosticators n. Plural of prognosticator.
PROGNOSTICATOR n. one who prognosticates.
PROPRIOCEPTIONSproprioceptions n. Plural of proprioception.
PROPRIOCEPTION n. the sense of muscular position.
RETROCOGNITIONSretrocognitions n. Plural of retrocognition.
RETROCOGNITION n. extrasensory knowledge of past events.
SCOLOPENDRIFORMscolopendriform adj. Resembling the centipedes of the genus Scolopendra.
SCOLOPENDRIFORM adj. having the form of a centipede.
SEROCONVERSIONSseroconversions n. Plural of seroconversion.
SEROCONVERSION n. the production of antibodies in response to an antigen.
VASOCONSTRICTORvasoconstrictor n. (Pharmacology) Any substance that causes vasoconstriction.
VASOCONSTRICTOR n. an agent (as a sympathetic nerve fiber or a drug) that induces or initiates vasoconstriction.

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: 176 words
  • Scrabble in French: 49 words
  • Scrabble in Spanish: 93 words
  • Scrabble in Italian: 98 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 74 words


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