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There are 20 twelve-letter words containing E, H, I, U and X

AUXOTROPHIESauxotrophies n. Plural of auxotrophy.
AUXOTROPHY n. the state of being auxotrophic, requiring a specific growth substance beyond the minimum required for normal metabolism.
EXCHEQUERINGexchequering v. Present participle of exchequer.
EXCHEQUER v. to place in an exchequer or treasury.
EXECUTORSHIPexecutorship n. The office or position of an executor.
EXECUTORSHIP n. the office of executor.
EXHAUSTINGLYexhaustingly adv. In an exhausting manner.
EXHAUSTINGLY adv. in the manner of using the whole strength of.
EXHAUSTIVELYexhaustively adv. In an exhaustive manner.
EXHAUSTIVE adv. testing all possibilities or considering all elements.
EXHAUSTIVITYexhaustivity n. The condition of being exhaustive.
EXHAUSTIVITY n. the state of being exhaustive.
EXTINGUISHEDextinguished v. Simple past tense and past participle of extinguish.
extinguished adj. Having been quenched or eliminated.
EXTINGUISH v. to bring to an end.
EXTINGUISHERextinguisher n. One who, or that which, extinguishes something.
EXTINGUISHER n. a device that extinguishes.
EXTINGUISHESextinguishes v. Third-person singular simple present indicative form of extinguish.
EXTINGUISH v. to bring to an end.
HETERAUXESISheterauxesis n. (Botany) unequal growth of a cell, or of part of a plant.
HETERAUXESIS n. unsymmetrical growth.
HETEROAUXINSheteroauxins n. Plural of heteroauxin.
HETEROAUXIN n. a natural plant hormone, used esp. for stimulating growth and root formation in plant cutting.
HEXAFLUORIDEhexafluoride n. (Chemistry) any fluoride containing six fluorine atoms in each molecule.
HEXAFLUORIDE n. a chemical compound with the general formula XF6.
INEXHAUSTIVEinexhaustive adj. Synonym of inexhaustible.
INEXHAUSTIVE adj. not exhaustive.
OXYSULPHIDESoxysulphides n. Plural of oxysulphide.
OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur.
SULPHADOXINEsulphadoxine n. Alternative spelling of sulfadoxine.
SULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE.
SUPERHELIXESsuperhelixes n. Plural of superhelix.
SUPERHELIX n. a helix, as of DNA, which has its axis arranged in a helical coil.
UNNILHEXIUMSUNNILHEXIUM n. a chemical element, aka seaborgium.
XENODOCHIUMSxenodochiums n. Plural of xenodochium.
XENODOCHIUM n. a building for the reception of strangers, e.g. a guesthouse in a monastery.
XIPHISTERNUMxiphisternum n. (Biology, medicine) Synonym of xiphoid process.
XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum.
XIPHOPAGUSESXIPHOPAGUS n. a set of Siamese twins joined in the region of the xiphoid cartilage.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 71 words
  • Scrabble in French: 22 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 21 words


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