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List of 12-letter words containing

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There are 13 twelve-letter words containing E, H, 3O, R and Y

GEOHYDROLOGYgeohydrology n. (Geology) hydrogeology.
GEOHYDROLOGY n. a science that deals with the character, source, and mode of occurrence of underground water.
HOMOEOMORPHYhomœomorphy n. Obsolete form of homoeomorphy.
HOMOEOMORPHY n. the state of being homoeomorphy.
HOMOIOTHERMYhomoiothermy n. (Biology) Alternative form of homeothermy.
HOMOIOTHERMY n. the maintenance of a constant body temperature, also HOMEOTHERMISM, HOMEOTHERMY, HOMOTHERMY.
HOMOPOLYMERShomopolymers n. Plural of homopolymer.
HOMOPOLYMER n. a DNA or RNA strand whose nucleotides are all of the same kind.
HONEYMOONERShoneymooners n. Plural of honeymooner.
HONEYMOONER n. one who is on honeymoon.
HYDROCODONEShydrocodones n. Plural of hydrocodone.
HYDROCODONE n. a semisynthetic opioid drug derived from codeine and thebaine.
HYDROGEOLOGYhydrogeology n. The geology of groundwater, especially concerning the physical, biological and chemical properties of…
HYDROGEOLOGY n. the study of the geological action of water.
MONOHYDROGENmonohydrogen n. (Chemistry, in combination) A single hydrogen atom in a compound.
MONOHYDROGEN adj. designating compounds containing one hydrogen atom or ion for each combining radical or ion, e.g. disodium monohydrogen orthophosphate.
NEOORTHODOXYNeoorthodoxy n. Alternative form of Neo-orthodoxy.
neo-orthodoxy n. (Christianity, theology) A theological movement developed in the aftermath of World War I, largely a…
Neo-orthodoxy n. Alternative letter-case form of neo-orthodoxy.
OOPHORECTOMYoophorectomy n. (Medicine) Surgical removal of one or both ovaries.
oöphorectomy n. Alternative spelling of oophorectomy.
OOPHORECTOMY n. the operation of removing one or both of the ovaries, aka ovariotomy.
PHOTOPOLYMERphotopolymer n. (Chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings.
PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates.
PHYTOHORMONEphytohormone n. A plant hormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
ZOOGEOGRAPHYzoogeography n. The scientific study of the geographical distribution of animal species.
zoögeography n. (Zoology) Alternative spelling of zoogeography.
ZOOGEOGRAPHY n. the study of the geographic distribution of animals.

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: 55 words
  • Scrabble in French: 2 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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