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There are 15 fifteen-letter words containing C, E, G, I, O, 2S and Y

BIOPSYCHOLOGIESBIOPSYCHOLOGY n. the branch of psychology, or of biology, which deals with the interaction of mind and body, and the effects of this interaction.
CLEISTOGAMOUSLYcleistogamously adv. In a cleistogamous fashion.
CLEISTOGAMOUS adv. relating to cleistogamy, the production of small inconspicuous closed self-pollinating flowers additional to and often more fruitful than showier ones on the same plant, also CLEISTOGAMIC.
CONGRESSIONALLYcongressionally adv. By a congress; often specifically by the United States Congress.
CONGRESSIONAL adv. relating to congress.
CROSSOPTERYGIANcrossopterygian adj. (Zoology) Of or pertaining to the Crossopterygii, an infraclass of bony fish.
crossopterygian n. (Zoology) One of the Crossopterygii.
CROSSOPTERYGIAN n. a member of a subclass of mostly extinct bony fishes, including the coelacanth.
CYTOGENETICISTScytogeneticists n. Plural of cytogeneticist.
CYTOGENETICIST n. one who studies cytogenetics.
ECOPHYSIOLOGIESecophysiologies n. Plural of ecophysiology.
ECOPHYSIOLOGY n. the science of the interrelationships between the physiology of organisms and their environment.
GLYCONEOGENESISglyconeogenesis n. The biosynthesis of sugars, typically in the liver.
GLYCONEOGENESIS n. the conversion of non-carbohydrate substances, e.g. amino acids, into glucose, also GLUCONEOGENESIS.
OVERCLASSIFYINGoverclassifying v. Present participle of overclassify.
OVERCLASSIFY v. to classify to excess.
PHARYNGOSCOPIESpharyngoscopies n. Plural of pharyngoscopy.
PHARYNGOSCOPY n. examination of the pharynx.
PSYCHOBIOLOGIESpsychobiologies n. Plural of psychobiology.
PSYCHOBIOLOGY n. the study of the biology of the mind.
PSYCHOSURGERIESpsychosurgeries n. Plural of psychosurgery.
PSYCHOSURGERY n. cerebral surgery employed in treating psychic symptoms.
RESYNCHRONISINGresynchronising v. Present participle of resynchronise.
RESYNCHRONISE v. to synchronise again, also RESYNCHRONIZE.
SEISMOLOGICALLYseismologically adv. In a seismological manner; in terms of seismology.
SEISMOLOGICAL adv. related to seismology, also SEISMOLOGIC.
SYNCHRONOLOGIESsynchronologies n. Plural of synchronology.
SYNCHRONOLOGY n. a chronological arrangement side by side.
ZOOPSYCHOLOGIESzoöpsychologies n. Plural of zoöpsychology.
ZOOPSYCHOLOGY n. the psychology of the lower animals.

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: 79 words
  • Scrabble in French: 15 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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