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There are 19 twelve-letter words containing C, N, 3O and Y

BIOCOENOLOGYbiocoenology n. The study of biocoenoses.
BIOCOENOLOGY n. the study of biocoenoses.
BRONCHOSCOPYbronchoscopy n. (Medicine) A technique for viewing the bronchi using a flexible instrument called a bronchoscope.
BRONCHOSCOPY n. examination of the bronchi.
COLONOGRAPHYcolonography n. A virtual, non-invasive form of colonoscopy that uses computed tomography.
COTTONOCRACYcottonocracy n. (US, historical) A government dominated by the cotton industry, as in the United States prior to the Civil War.
COTTONOCRACY n. rule by cotton producers.
COTYLEDONOIDCOTYLEDONOID adj. in the form of a cotyledon.
COTYLEDONOUScotyledonous adj. Of or pertaining to a cotyledon.
COTYLEDONOUS adj. relating to or having cotyledons, also COTYLEDONARY.
CYTOTAXONOMYcytotaxonomy n. (Taxonomy) The classification of organisms based upon their cellular structure and function, and especially…
CYTOTAXONOMY n. the classification of organisms based on cell structure, esp. the number, shape, etc., of the chromosomes.
DEOXYCORTONEdeoxycortone n. (Pharmacology) UK form of desoxycortone.
DEOXYCORTONE n. a corticosteroid hormone important in maintaining sodium and water balance in the body.
ETYMOLOGICONetymologicon n. A book of etymologies.
ETYMOLOGICON n. an etymological dictionary, also ETYMOLOGICUM.
HYDROCODONEShydrocodones n. Plural of hydrocodone.
HYDROCODONE n. a semisynthetic opioid drug derived from codeine and thebaine.
MONOCHROMASYMONOCHROMASY n. complete colour-blindness.
MONOECIOUSLYMONOECIOUS adv. having separate male and female flowers on the same plant, also MONECIAN, MONECIOUS, MONOICOUS.
MONOTONICITYmonotonicity n. (Mathematics, physics) The state of being monotonic.
monotonicity n. (Mathematical analysis) Said of a positive measure: the property of a positive measure of a measure…
MONOTONICITY n. the state of being monotonic.
ONYCHOPHORANonychophoran n. (Zoology) Any of many wormlike carnivorous ecdysozoan animals of the phylum Onychophora.
ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms.
ORNITHOSCOPYornithoscopy n. Birdwatching.
ORNITHOSCOPY n. bird watching.
PHOTOCOPYINGphotocopying v. Present participle of photocopy.
photocopying n. The process by which photocopies are made.
PHOTOCOPYING n. the act of making a photocopy.
POSTCORONARYpostcoronary adj. After coronary thrombosis.
POSTCORONARY adj. taking place after a coronary.
PYCNOGONOIDSpycnogonoids n. Plural of pycnogonoid.
PYCNOGONOID n. a sea-spider, also PYCNOGONID.
YOCTOSECONDSyoctoseconds n. Plural of yoctosecond.
YOCTOSECOND n. a very small unit of time.

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: 178 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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