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List of 12-letter words containing

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There are 9 twelve-letter words containing H, 3O, S, T and Y

HISTORIOLOGYhistoriology n. (Obsolete) a discourse on history.
HISTORIOLOGY n. the study of history.
HOMOZYGOSITYhomozygosity n. The condition of being homozygous.
HOMOZYGOSITY n. the state of being homozygous, inheriting a given genetic factor from both parents.
HYPOCOTYLOUSHYPOCOTYLOUS adj. of or like a hypocotyl, the stem of a plant below the cotyledons.
ORNITHOSCOPYornithoscopy n. Birdwatching.
ORNITHOSCOPY n. bird watching.
PHYSOSTOMOUSphysostomous adj. (Zoology) Having a duct to the air bladder.
physostomous adj. (Zoology) Relating to the Physostomi.
PHYSOSTOMOUS adj. of fishes, having a duct connecting the air bladder to part of the alimentary canal.
PROTOHISTORYprotohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed…
PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
STOECHIOLOGYstoechiology n. Alternative form of stoichiology.
stœchiology n. Scientific study of bodily elements.
stœchiology n. Treatise of physiological elements.
STOICHIOLOGYstoichiology n. The part of physiology that deals with the elements, or principles, composing animal tissues.
stoichiology n. (Logic) The doctrine of the elementary requisites of mere thought.
stoichiology n. The statement or discussion of the first principles of any science or art.
THORACOSTOMYthoracostomy n. Incision into the chest wall, with maintenance of the opening for drainage.
THORACOSTOMY n. the construction of an artificial opening in the chest, usually to draw off fluid or release a buildup of air.

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: 51 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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