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List of 15-letter words containing

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There are 12 fifteen-letter words containing C, 3E, O, P and Y

ARCHAEOPTERYXESarchaeopteryxes n. Plural of archaeopteryx.
ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits.
COMPREHENSIVELYcomprehensively adv. In a comprehensive manner; in an all-inclusive or wide-ranging fashion.
COMPREHENSIVE adv. covering completely or broadly.
CYCLOPENTADIENEcyclopentadiene n. (Organic chemistry) an unsaturated alicyclic hydrocarbon, C5H6; it forms complexes with some transition…
CYCLOPENTADIENE n. a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar, used in the manufacture of plastics and insecticides.
EPEIROGENICALLYepeirogenically adv. By means of epeirogenesis.
EPEIROGENIC adv. relating to epeirogeny, the geological formation of continents, oceans, etc.
HEMISPHERECTOMYhemispherectomy n. (Neurosurgery) Surgical removal of a hemisphere of the brain, usually performed to control otherwise…
HYPEREXCRETIONSHYPEREXCRETION n. excessive excretion.
HYPERSECRETIONShypersecretions n. Plural of hypersecretion.
HYPERSECRETION n. excessive secretion.
HYPERSOMNOLENCEhypersomnolence n. (Medicine) Excessive sleepiness.
HYPERSOMNOLENCE n. the state of being excessively sleepy.
HYPERVELOCITIEShypervelocities n. Plural of hypervelocity.
HYPERVELOCITY n. a high or relatively high velocity, as thousands of feet or meters per second.
MYELENCEPHALONSMYELENCEPHALON n. the posterior part of the developing vertebrate hindbrain or the corresponding part of the adult brain composed of the medulla oblongata.
POLYELECTROLYTEpolyelectrolyte n. A polymeric electrolyte (such as a protein).
POLYELECTROLYTE n. a jellylike plastic compounded of two polymers, one charged positively and one negatively.
RETROSPECTIVELYretrospectively adv. In a retrospective manner.
RETROSPECTIVE adv. looking back.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 117 words
  • Scrabble in French: 16 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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