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There are 15 twelve-letter words containing H, 2O, P, R, 2S and Y

CRYOPHORUSEScryophoruses n. Plural of cryophorus.
CRYOPHORUS n. an instrument for showing the decrease in the temperature of water by its evaporation.
GLOSSOGRAPHYglossography n. The writing of glossaries or glosses.
glossography n. The study of ancient words or languages.
GLOSSOGRAPHY n. the compilation of glossaries.
HYPEROSTOSEShyperostoses n. Plural of hyperostosis.
HYPEROSTOSIS n. abnormal growth of bone tissue.
HYPEROSTOSIShyperostosis n. (Medicine) An excessive growth or thickening of bone.
HYPEROSTOSIS n. abnormal growth of bone tissue.
HYPOCORISMASHYPOCORISMA n. the use of a pet name or nickname, also HYPOCORISM.
HYPOSTROPHEShypostrophes n. Plural of hypostrophe.
HYPOSTROPHE n. a return to the primary argument after digression.
HYPSOCHROMESHYPSOCHROME n. a shift to a shorter wavelength in the absorption spectrum of a compound.
HYSTEROSCOPEhysteroscope n. (Medicine) An instrument designed to allow visual examination of the uterus.
HYSTEROSCOPYhysteroscopy n. (Medicine) The examination of the uterus using a hysteroscope.
PHYTOSTEROLSphytosterols n. Plural of phytosterol.
PHYTOSTEROL n. any of various sterols derived from plants.
POLYCHROISMSPOLYCHROISM n. the state of being polychroic.
POLYHEDROSESpolyhedroses n. Plural of polyhedrosis.
POLYHEDROSIS n. an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
POLYHEDROSISpolyhedrosis n. Any of several diseases of insect larvae that are caused by the polyhedral viruses, family Baculoviridae.
POLYHEDROSIS n. an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
PYROPHORUSESPYROPHORUS n. any substance capable of igniting spontaneously on exposure to air.
SYNCHROSCOPEsynchroscope n. An instrument that indicates the degree to which two alternating current systems are synchronised with…
synchroscope n. An instrument used to synchronise the propellers of a twin-engine aircraft.
SYNCHROSCOPE n. an instrument for detecting whether two moving parts are synchronized.

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: 42 words
  • Scrabble in French: 9 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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