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List of 13-letter words containing

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There are 9 thirteen-letter words containing C, E, H, N, O, 2T and Y

ACTINOTHERAPYactinotherapy n. (Medicine) The treatment of disease, especially skin disease, by exposure to ultraviolet light; radiotherapy.
ACTINOTHERAPY n. the use of ultraviolet and other actinic rays in medical treatment.
CYANOETHYLATEcyanoethylate v. (Chemistry, transitive) To subject to cyanoethylation.
CYANOETHYLATE v. to introduce a cyano-ethyl group into.
HYPERTONICITYhypertonicity n. The condition of being hypertonic.
HYPERTONICITY n. the condition of being hypertonic.
HYPOTHECATINGhypothecating v. Present participle of hypothecate.
HYPOTHECATE v. to pledge as security without title or possession.
HYPOTHECATIONhypothecation n. The use of property, or an existing mortgage, as security for a loan, etc.
hypothecation n. (Britain) A tax levied for a specific expenditure.
HYPOTHECATION n. the act of taking a mortgage.
OSTEICHTHYANSosteichthyans n. Plural of osteichthyan.
OSTEICHTHYAN n. a bony fish.
PATHOGENICITYpathogenicity n. The quality or state of causing, originating or producing disease.
PATHOGENICITY n. the state of being pathogenic.
POLYSYNTHETICpolysynthetic adj. (Grammar, of languages) Characterized by a prevalence of relatively long words containing a large number…
polysynthetic adj. (Mineralogy) Having layers of twin crystals.
POLYSYNTHETIC adj. made up of many separate elements, also POLYSYNTHETICAL.
PYROTECHNISTSpyrotechnists n. Plural of pyrotechnist.
PYROTECHNIST n. a firework maker.

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: 74 words
  • Scrabble in French: 10 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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