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List of 13-letter words containing

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There are 20 thirteen-letter words containing A, 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.
ANTHOPHYLLITEanthophyllite n. (Mineralogy) A dark brown amphibole mineral; a mixed silicate of iron and magnesium.
ANTHOPHYLLITE n. an orthorhombic ferromagnesian amphibole which occurs usually as fibrous or asbestiform masses.
ANTHROPOMETRYanthropometry n. The science of measuring the human body to ascertain the ranges and averages of dimensions of the human…
ANTHROPOMETRY n. the measurement of parts and functions of human body, esp. as part of study of evolution.
ANTHROPOPHYTEanthropophyte n. (Ecology) A plant introduced into a new habitat by humans.
ANTHROPOPHYTE n. a plant introduced incidentally in the course of cultivation.
ATTORNEYSHIPSattorneyships n. Plural of attorneyship.
ATTORNEYSHIP n. the office of attorney.
CYANOETHYLATEcyanoethylate v. (Chemistry, transitive) To subject to cyanoethylation.
CYANOETHYLATE v. to introduce a cyano-ethyl group into.
DEMETHYLATIONdemethylation n. (Chemistry) The removal of one or more methyl groups from a molecule.
ENHYPOSTATISEenhypostatise v. Alternative form of enhypostatize.
ENHYPOSTATISE v. to subject to enhypostasia, also ENHYPOSTATIZE.
ENHYPOSTATIZEenhypostatize v. To hypostatize.
ENHYPOSTATIZE v. to subject to enhypostasia, also ENHYPOSTATISE.
ETHOXYETHANESethoxyethanes n. Plural of ethoxyethane.
ETHOXYETHANE n. a type of ether, aka diethyl ether, an isomer of butanol.
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.
HYSTERANTHOUShysteranthous adj. (Botany) Having the leaves emerge after the flowers have opened. It typically refers to geophytes that…
HYSTERANTHOUS adj. having the leaves appearing after the flowers.
NORTHEASTERLYnortheasterly adj. Situated in, or pointing towards, the northeast.
northeasterly adj. (Of a wind etc) Coming from the northeast.
northeasterly n. A persistent wind from the northeast.
OSTEICHTHYANSosteichthyans n. Plural of osteichthyan.
OSTEICHTHYAN n. a bony fish.
PARASYNTHETONparasyntheton n. (Grammar) A parasynthetic compound.
PARASYNTHETON n. a word derived from a compound, e.g. come-at-able.
PATHOGENICITYpathogenicity n. The quality or state of causing, originating or producing disease.
PATHOGENICITY n. the state of being pathogenic.
PHOTOSYNTHATEphotosynthate n. (Biochemistry) Any compound that is a product of photosynthesis.
PHOTOSYNTHATE n. a product of photosynthesis.
PHYTOPATHOGENphytopathogen n. (Biology) Any organism that is pathogenic to plants.
PHYTOPATHOGEN n. an organism parasitic on a plant host.
PHYTOPLANKTERphytoplankter n. A single phytoplankton organism.
PHYTOPLANKTER n. a planktonic plant.

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: 132 words
  • Scrabble in French: 13 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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