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List of 13-letter words containing

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There are 18 thirteen-letter words containing E, H, I, R, T, U and Y

ALUMINOTHERMYaluminothermy n. (Inorganic chemistry) the production of a metal from its oxide by heating it with aluminium.
ALUMINOTHERMY n. a process for reducing metallic oxides using finely divided aluminium powder.
BUTTERFLYFISHbutterflyfish n. Any of a group of conspicuous tropical marine fish of the family Chaetodontidae; the bannerfish and…
butterfly␣fish n. Any fish of the family Chaetodontidae.
butterfly␣fish n. Pantodon buchholzi, a small brown fish of western African streams, often found in aquariums.
HEURISTICALLYheuristically adv. In a heuristic manner.
HEURISTIC adv. of or relating to exploratory problem-solving methods that utilize self-educating techniques to improve performance, also HEURETIC.
HYDROSULPHITEhydrosulphite n. Alternative spelling of hydrosulfite.
HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent.
HYPERACUITIEShyperacuities n. Plural of hyperacuity.
HYPERACUITY n. the state of being hyperacute.
HYPERCAUTIOUShypercautious adj. Especially or unreasonably cautious.
HYPERCAUTIOUS adj. excessively cautious.
HYPEREUTECTIChypereutectic adj. Having a composition that lies to the right of the eutectic point in a phase diagram.
HYPEREUTECTIC adj. of a compound, containing more of the minor component than a eutectic compound.
HYPERFUNCTIONhyperfunction n. (Mathematics) A generalization of a function.
hyperfunction n. (Medicine) Abnormally elevated function.
HYPERFUNCTION n. the overactivity of a gland or other bodily organ.
HYPERVIRULENThypervirulent adj. Extremely virulent.
HYPERVIRULENT adj. extremely virulent.
IMMUNOTHERAPYimmunotherapy n. (Immunology) The treatment of disease (especially cancers and autoimmune diseases) by adjusting the…
IMMUNOTHERAPY n. the treatment or prevention of disease by taking measures to increase immune system functioning.
MUSICOTHERAPYmusicotherapy n. Music therapy; the use of music to improve health.
MUSICOTHERAPY n. therapy involving the use of music.
PHYTONUTRIENTphytonutrient n. Any substance, of plant origin, that provides nutrition; a phytochemical.
RHEUMATICALLYrheumatically adv. In a rheumatic manner.
RHEUMATICAL adv. relating to rheumatism, also RHEUMATIC.
SUPERHUMANITYsuperhumanity n. The state or condition of being superhuman.
SUPERHUMANITY n. the state of being superhuman.
UNRIGHTEOUSLYunrighteously adv. In an unrighteous manner.
UNRIGHTEOUS adv. not righteous.
UNTHRIFTYHEADUNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED.
UNTHRIFTYHEDSUNTHRIFTYHED n. (Spenser) unthriftiness, also UNTHRIFTYHEAD.
UPRIGHTEOUSLYuprighteously adv. In an uprighteous or just manner.
UPRIGHTEOUSLY adv. (Shakespeare) with moral right.

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: 122 words
  • Scrabble in French: 43 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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