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List of 12-letter words containing

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There are 20 twelve-letter words containing D, H, O, R, U and Y

HORRENDOUSLYhorrendously adv. In a horrendous manner.
HORRENDOUS adv. fearful; frightful.
HYDROFLUORIChydrofluoric adj. (Chemistry) Containing hydrogen and fluorine.
HYDROFLUORIC adj. as in hydrofluoric acid, a strong acid used for etching glass.
HYDROMEDUSAEhydromedusae n. Plural of hydromedusa.
HYDROMEDUSA n. a hydrozoan in its medusoid stage, also HYDROMEDUSAN, HYDROMEDUSOID.
HYDROMEDUSANhydromedusan adj. (Zoology) Relating to the hydromedusas.
HYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID.
HYDROMEDUSAShydromedusas n. Plural of hydromedusa.
HYDROMEDUSA n. a hydrozoan in its medusoid stage, also HYDROMEDUSAN, HYDROMEDUSOID.
HYDROPHANOUShydrophanous adj. (Mineralogy) Made transparent by immersion in water.
HYDROPHANOUS adj. becoming transparent when placed in water.
HYDROPHILOUShydrophilous adj. (Biology) That grows or thrives in or near water.
hydrophilous adj. (Botany) That is pollinated by water.
HYDROPHILOUS adj. water-loving; pollinated by agency of water.
HYDROPHOBOUShydrophobous adj. Hydrophobic.
HYDROPHOBOUS adj. (obsolete) water-repellent.
HYDROPHYTOUShydrophytous adj. Relating to hydrophytes.
hydrophytous adj. Relating to hydrophytons.
HYDROPHYTOUS adj. like a hydrophyte, also HYDROPHYTIC.
HYDROQUINOLSHYDROQUINOL n. a white crystalline soluble phenol used as a photographic developer.
HYDROQUINONEhydroquinone n. (Organic chemistry) The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic…
HYDROQUINONE n. another name for quinol.
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
HYDROXYUREAShydroxyureas n. Plural of hydroxyurea.
HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors.
PACHYDERMOUSPACHYDERMOUS adj. thick-skinned, also PACHYDERMATOUS.
PSEUDOGRAPHYpseudography n. False writing; forgery.
pseudography n. Incorrect spelling.
PSEUDOGRAPHY n. unsatisfactory spelling.
THUNDEROUSLYthunderously adv. In a thunderous manner, very loudly.
THUNDEROUS adv. sounding like thunder, also THUNDROUS.
UNHYDROLYSEDunhydrolysed adj. Alternative spelling of unhydrolyzed.
UNHYDROLYSED adj. not hydrolysed, also UNHYDROLYZED.
UNHYDROLYZEDunhydrolyzed adj. Not hydrolyzed.
UNHYDROLYZED adj. not hydrolyzed, also UNHYDROLYSED.
UNORTHODOXLYunorthodoxly adv. In an unorthodox manner, unconventionally.
UNORTHODOX adv. not orthodox.
UNROADWORTHYunroadworthy adj. Describing a vehicle which is not safe for use on the road.
UNROADWORTHY adj. not roadworthy.

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: 114 words
  • Scrabble in French: 30 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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