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There are 11 fifteen-letter words containing D, 2E, H, O, R, S and U

ECHINODERMATOUSechinodermatous adj. (Zoology) Relating to Echinodermata; echinodermal.
ECHINODERMATOUS adj. of or like an echinoderm.
HAZARDOUSNESSESHAZARDOUSNESS n. HAZARDOUS, dangerous.
HETERODACTYLOUSheterodactylous adj. (Zoology) Having the first and second toes turned backward, as in the trogons.
HETERODACTYLOUS adj. having the first and second toes turned backwards, as in trogons, and not the first and fourth as in parrots.
HOUSEHOLDERSHIPhouseholdership n. The position or role of a householder.
HOUSEHOLDERSHIP n. the office of householder.
HYDROCELLULOSESHYDROCELLULOSE n. a gelatinous material obtained by hydration of cellulose, used in papermaking, etc.
HYDROCEPHALUSEShydrocephaluses n. Plural of hydrocephalus.
HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY.
PSEUDEPIGRAPHONpseudepigraphon n. Singular of pseudepigrapha.
PSEUDEPIGRAPHON n. a book ascribed to Old Testament characters, but not judged genuine by scholars.
PSEUDOARTHROSESpseudoarthroses n. Plural of pseudoarthrosis.
PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS.
PSEUDOEPHEDRINEpseudoephedrine n. (Pharmacology) A sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer…
PSEUDOEPHEDRINE n. a naturally occurring isomer of ephedrine, used in the form of its hydrochloride as a bronchodilator.
ROUNDHEADEDNESSROUNDHEADEDNESS n. the state of being roundheaded.
SUPERHETERODYNEsuperheterodyne adj. (Electronics) Pertaining to a technique used in radio and television receivers to tune to a particular…
superheterodyne n. A receiver of this kind.
SUPERHETERODYNE n. applied to radio reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio-frequency which are easily amplified.

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: 151 words
  • Scrabble in French: 27 words
  • Scrabble in Spanish: 26 words
  • Scrabble in Italian: 20 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 6 words


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