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List of 12-letter words containing

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

CYPRINODONTScyprinodonts n. Plural of cyprinodont.
CYPRINODONT n. any small tropical or subtropical soft-finned fish of the mostly marine family Cyprinodontidae, resembling carp but having toothed jaws.
HETEROPLOIDYheteroploidy n. (Genetics) The state of being heteroploid.
HETEROPLOIDY n. the state of being heteroploid.
HYDROMORPHIChydromorphic adj. Synonym of hydric (“requiring moisture”).
hydromorphic adj. (Soil science) Formed in the presence of an excess of water.
HYDROMORPHIC adj. developed in the presence of an excess of moisture which tends to suppress aerobic factors in soil-building.
HYDROPHILOUShydrophilous adj. (Biology) That grows or thrives in or near water.
hydrophilous adj. (Botany) That is pollinated by water.
HYDROPHILOUS adj. water-loving; pollinated by agency of water.
HYDROPHOBIAShydrophobias n. Plural of hydrophobia.
HYDROPHOBIA n. the morbid fear of water, as in rabies victims.
HYDROTROPISMhydrotropism n. (Biology) The movement of a plant (or other organism) in response to water, either towards or away from water.
HYDROTROPISM n. growth in the direction of water.
HYPERBOLOIDShyperboloids n. Plural of hyperboloid.
HYPERBOLOID n. a solid figure in which some of the plane sections are hyperbolas.
HYPOCHONDRIAhypochondria n. (Medicine) A psychological disorder characterized by excessive preoccupation or worry about having a serious illness.
hypochondria n. (Obsolete, medicine) Melancholy; depression.
hypochondria n. Plural of hypochondrium.
HYPOTHYROIDSHYPOTHYROID n. someone suffering from hypothyroidism.
HYPOTROCHOIDhypotrochoid n. (Geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates…
HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
POLICYHOLDERpolicyholder n. (Insurance) A person who holds an insurance policy, especially the person whose life is insured.
policy␣holder n. Alternative spelling of policyholder.
POLICYHOLDER n. the owner of an insurance policy.
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.
PRODIGIOSITYprodigiosity n. Prodigiousness.
PRODIGIOSITY n. being prodigious.
PRODIGIOUSLYprodigiously adv. In a prodigious manner; astonishingly, enormously, impressively, or wonderfully.
PRODIGIOUS adv. resembling or befitting a prodigy.
PROSODICALLYprosodically adv. In a prosodic manner.
PROSODICAL adv. of or pertaining to prosody, also PROSODIC.
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.
PYRITOHEDRONpyritohedron n. (Mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons.
pyritohedron n. (Mineralogy) The shape of one of the crystal habits of pyrite.
PYRITOHEDRON n. a pentagonal dodecahedron.

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: 116 words
  • Scrabble in French: 11 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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