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List of 13-letter words containing

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There are 19 thirteen-letter words containing I, O, S, X and Y

ASPHYXIATIONSasphyxiations n. Plural of asphyxiation.
ASPHYXIATION n. the act of asphyxiation.
COEXTENSIVELYcoextensively adv. To the same extent.
COEXTENSIVE adv. having the same spatial or temporal scope or boundaries.
CYCLODEXTRINScyclodextrins n. Plural of cyclodextrin.
CYCLODEXTRIN n. any of several water-soluble carbohydrates with hydrophobic interiors, used to provide capsules for drugs.
DEOXYGENISINGDEOXYGENISE v. to remove oxygen from, also DEOXYGENIZE.
DESOXYRIBOSESdesoxyriboses n. Plural of desoxyribose.
DESOXYRIBOSE n. a pentose sugar obtained by the hydrolysis of DNA, also DEOXYRIBOSE.
EXPEDITIOUSLYexpeditiously adv. In an expeditious manner.
EXPEDITIOUS adv. characterized by or acting promptly and efficiently.
EXTENSIONALLYextensionally adv. In terms or by means of extension.
EXTENSIONAL adv. of, relating to, or marked by extension.
HAEMATOXYLINShaematoxylins n. Plural of haematoxylin.
HAEMATOXYLIN n. a dye obtained from logwood, also HEMATOXYLIN.
HOMOSEXUALITYhomosexuality n. The state of being sexually attracted primarily or exclusively to persons of the same sex, sometimes…
homosexuality n. Sexual activity with a person of the same sex, sometimes (potentially offensive) restricted to same-sex…
HOMOSEXUALITY n. the state of being homosexual.
HYPERPROSEXIAhyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing…
HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
HYPOXANTHINEShypoxanthines n. Plural of hypoxanthine.
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
MYCOTOXICOSESmycotoxicoses n. Plural of mycotoxicosis.
MYCOTOXICOSIS n. poisoning caused by a mycotoxin.
MYCOTOXICOSISmycotoxicosis n. Poisoning caused by exposure to mycotoxins.
MYCOTOXICOSIS n. poisoning caused by a mycotoxin.
OMNISEXUALITYomnisexuality n. Pansexuality.
PARAMYXOVIRUSparamyxovirus n. (Virology) Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible…
PARAMYXOVIRUS n. any of a group of viruses which includes the mumps and measles viruses.
PHYCOXANTHINSPHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
POLYSILOXANESpolysiloxanes n. Plural of polysiloxane.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
PYRIDOXAMINESpyridoxamines n. Plural of pyridoxamine.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.
XIPHOPHYLLOUSxiphophyllous adj. (Botany) Having sword-shaped leaves.
XIPHOPHYLLOUS adj. having sword-shaped leaves.

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: 208 words
  • Scrabble in French: 29 words
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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