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List of 13-letter words containing

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There are 11 thirteen-letter words containing A, C, D, E, 2O and Y

ACCIDENTOLOGYaccidentology n. The study of accidents, especially of motor vehicle accidents.
ACCIDENTOLOGY n. the study of accidents.
ACOTYLEDONOUSacotyledonous adj. Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
ACOTYLEDONOUS adj. relating to an acotyledon.
ADENOIDECTOMYadenoidectomy n. (Surgery) Surgical removal of the adenoids, or of adenoid growths in the nasopharynx; commonly performed…
ADENOIDECTOMY n. the surgical removal of the adenoids, also ADENECTOMY.
CHLAMYDOSPOREchlamydospore n. A thick-walled spore that is the resting stage of some bacteria.
CHLAMYDOSPORE n. a thick-walled usually resting fungal spore.
CYTODIAGNOSEScytodiagnoses n. Plural of cytodiagnosis.
CYTODIAGNOSIS n. medical diagnosis following the close examination of the cells of the body tissues or fluids, e.g. the smear test for cervical cancer.
DACTYLOLOGIESDACTYLOLOGY n. the study of sign language.
HYDROTHORACEShydrothoraces n. Plural of hydrothorax.
HYDROTHORAX n. water liquid in the pleural cavity.
IDEOLOGICALLYideologically adv. In an ideological manner; with respect to ideology.
IDEOLOGICAL adv. relating to or concerned with ideology, also IDEOLOGIC.
MASTOIDECTOMYmastoidectomy n. (Surgery) The surgical procedure to remove part or all of the mastoid process.
MASTOIDECTOMY n. an operation to remove mastoid bone.
OLEANDOMYCINSoleandomycins n. Plural of oleandomycin.
OLEANDOMYCIN n. an antibiotic produced by a streptomyces.
POSTSECONDARYpostsecondary adj. (Education, US and Canada) Of or pertaining to education or educational institutions subsequent to secondary…
POSTSECONDARY adj. taking place after secondary education.

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: 108 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: 13 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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