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List of 13-letter words containing

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There are 19 thirteen-letter words containing H, I, 2O, U and Y

ANISOPHYLLOUSanisophyllous adj. (Botany) Having unequal leaves.
ANISOPHYLLOUS adj. of leaves, usually a pair, of differing size and shape.
AUTOBIOGRAPHYautobiography n. (Countable) A self-written biography; the story of one’s own life.
autobiography n. (Uncountable) Biographies of this kind regarded as a literary genre.
AUTOBIOGRAPHY n. the biography of a person narrated by himself or herself.
DICHOTOMOUSLYdichotomously adv. In a dichotomous manner.
DICHOTOMOUS adv. forking into two equal branches.
DISHONOURABLYdishonourably adv. (Britain) Alternative spelling of dishonorably.
DISHONOURABLE adv. not honourable, also DISHONORABLE.
HERBIVOROUSLYherbivorously adv. In a herbivorous manner.
HERBIVOROUS adv. eating plants.
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.
HONOURABILITYhonourability n. A state or condition or being honourable.
HONOURABILITY n. the quality of being honourable, also HONORABILITY.
HYDROMEDUSOIDHYDROMEDUSOID n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSAN.
HYDROQUINONEShydroquinones n. Plural of hydroquinone.
HYDROQUINONE n. another name for quinol.
HYPOCHONDRIUMhypochondrium n. (Anatomy) The upper region of the abdomen, below the lower ribs, each side of the epigastrium.
HYPOCHONDRIUM n. either of two regions of the upper part of the abdomen.
HYPOEUTECTOIDhypoeutectoid adj. Synonym of hypoeutectic.
hypoeutectoid n. A hypoeutectic alloy.
HYPOEUTECTOID adj. of a compound, containing less of the minor component than a eutectic compound.
ISOCHRONOUSLYisochronously adv. In an isochronous manner.
ISOCHRONOUS adv. having the same duration; recurring at equal intervals.
MICROPHYLLOUSmicrophyllous adj. (Phytotomy) Of or having microphyll leaves.
MICROPHYLLOUS adj. having minute leaves.
PHYLLOQUINONEphylloquinone n. (Biochemistry, pharmacology) Synonym of phytomenadione.
PHYLLOQUINONE n. vitamin K1, one of the fat-soluble vitamin K group, essential for normal blood coagulation.
PHYSIOLOGUSESPHYSIOLOGUS n. a work containing descriptions of animals; a bestiary.
PHYSOCLISTOUSphysoclistous adj. Relating to physoclists.
PHYSOCLISTOUS adj. of fishes, having an air bladder that is not connected to the alimentary canal.
SYMPHONIOUSLYsymphoniously adv. In a symphonious manner.
SYMPHONIOUS adv. agreeing esp. in sound.
THYROGLOBULINthyroglobulin n. (Biochemistry) A globulin, produced by the thyroid gland, that has a role in the production of the thyroid hormones.
THYROGLOBULIN n. an iodine-containing protein of the thyroid gland that is the precursor of thyroxine and triiodothyronine.
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: 107 words
  • Scrabble in French: 27 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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