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List of 13-letter words containing

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There are 15 thirteen-letter words containing E, H, I, N, R, 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.
ANTIHYSTERICSantihysterics n. Plural of antihysteric.
ANTIHYSTERIC n. a remedy for hysteria.
ATTORNEYSHIPSattorneyships n. Plural of attorneyship.
ATTORNEYSHIP n. the office of attorney.
HETEROGENEITYheterogeneity n. (Uncountable) Diversity.
heterogeneity n. (Countable) A composition of diverse parts.
heterogeneity n. (Uncountable) The quality of a substance which is not uniform.
HYPERSTHENITEhypersthenite n. (Mineralogy) A more or less coarsely crystalline igneous rock, allied to gabbro; an aggregate of labradorite…
HYPERSTHENITE n. a pyroxenite composed almost wholly of hypersthene.
HYPERTONICITYhypertonicity n. The condition of being hypertonic.
HYPERTONICITY n. the condition of being hypertonic.
INTRATHECALLYintrathecally adv. In an intrathecal way; into the spinal canal.
INTRATHECAL adv. introduced into or occurring in the space under the arachnoid membrane of the brain or spinal cord.
PARASYNTHETICparasynthetic adj. (Grammar) Being a compound word formed by parasynthesis, i.e. by adding several affixes simultaneously…
PARASYNTHETIC adj. relating to parasynthesis.
PHYTONUTRIENTphytonutrient n. Any substance, of plant origin, that provides nutrition; a phytochemical.
PYROTECHNISTSpyrotechnists n. Plural of pyrotechnist.
PYROTECHNIST n. a firework maker.
THREATENINGLYthreateningly adv. In a threatening manner.
THREATENING adv. ominous.
TRIETHYLAMINEtriethylamine n. (Organic chemistry) The tertiary amine (CH3-CH2)3N, having many industrial uses.
TRIETHYLAMINE n. an oily liquid corresponding to ammonia with ethyl replacing all the hydrogen.
TRIMETHYLENESTRIMETHYLENE n. another name for cyclopropane.
UNTHRIFTYHEADUNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED.
UNTHRIFTYHEDSUNTHRIFTYHED n. (Spenser) unthriftiness, also UNTHRIFTYHEAD.

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: 92 words
  • Scrabble in French: 23 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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