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There are 17 twelve-letter words containing D, 2O and 2Y

COTYLEDONARYcotyledonary adj. Of or pertaining to a cotyledon.
COTYLEDONARY adj. relating to or having cotyledons, also COTYLEDONOUS.
DACTYLIOLOGYdactyliology n. The branch of archaeology dealing with gem engraving.
dactyliology n. The branch of archaeology dealing with finger rings.
DACTYLIOLOGY n. the study of finger-rings.
DACTYLOSCOPYdactyloscopy n. The forensic analysis and comparison of fingerprints as a means of identification of individuals.
DACTYLOSCOPY n. the comparison of fingerprints for purpose of identification.
DYSTELEOLOGYdysteleology n. (Philosophy) The view that existence has no telos or final cause from purposeful design.
dysteleology n. The study of apparently functionless rudimentary organs in animals and plants.
DYSTELEOLOGY n. the study of functionless rudimentary organs in animals and plants.
GEOHYDROLOGYgeohydrology n. (Geology) hydrogeology.
GEOHYDROLOGY n. a science that deals with the character, source, and mode of occurrence of underground water.
HYDROBIOLOGYhydrobiology n. (Biology) The study of the biology of the organisms that inhabit bodies of water.
HYDROBIOLOGY n. the study of aquatic organisms.
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.
HYDROPHYTONSHYDROPHYTON n. the coenosarc of a hydroid colony.
HYDROPHYTOUShydrophytous adj. Relating to hydrophytes.
hydrophytous adj. Relating to hydrophytons.
HYDROPHYTOUS adj. like a hydrophyte, also HYDROPHYTIC.
HYPOCYCLOIDShypocycloids n. Plural of hypocycloid.
HYPOCYCLOID n. a curve generated by a point on the circumference of a circle which rolls on the inside of another circle.
HYPODIPLOIDYhypodiploidy n. The state of being hypodiploid; hypoploidy in diploid organisms (including humans).
HYPODIPLOIDY n. the state of being hypodiploid, having slightly fewer than the diploid number of chromosomes.
HYPOTHYROIDSHYPOTHYROID n. someone suffering from hypothyroidism.
OXYHYDROGENSOXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding.
POLYPHYODONTpolyphyodont n. Any animal whose teeth are continuously replaced.
POLYPHYODONT adj. having more than two successive dentitions.
POLYSYNDETONpolysyndeton n. (Rhetoric) The use of many conjunctions to achieve an overwhelming effect in a sentence.
POLYSYNDETON n. the rhetorical device of repeating a conjunction for emphasis, as in 'it was red and yellow and pink and orange and blue!'.
PYRAMIDOLOGYpyramidology n. The study of pyramids (especially the Egyptian pyramids) from a supernatural or new-age perspective…
PYRAMIDOLOGY n. the study of the Egyptian pyramids.
WOODBURYTYPEWoodburytype n. (Uncountable) A photomechanical printing process in which a relief pattern in gelatin is hardened and…
Woodburytype n. (Countable) A print of this kind.
WOODBURYTYPE n. (tradename) a photomechanical process in which an exposed and developed bichromated film is forced into a metal plate by great pressure, and so forms a matrix for subsequent printing.

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: 83 words
  • Scrabble in French: 4 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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