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List of 12-letter words containing

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There are 16 twelve-letter words containing A, D, E, 2I, 2O and P

AECIDIOSPOREAECIDIOSPORE n. a spore produced in an aecidium.
BASIDIOSPOREbasidiospore n. (Biology) A sexually reproductive spore produced by fungi of the phylum Basidiomycota.
BASIDIOSPORE n. a spore produced by a basidium.
DEOPPILATIONdeoppilation n. (Obsolete) The removal of whatever stops up the passages.
DEOPPILATION n. the act of deoppilating, freeing from obstruction.
DEPOSITATIONdepositation n. The act of depositing, or material that is deposited.
DEPOSITATION n. in Scots law, a bailment where one entrusts goods to another to be kept without recompense.
DEPOSITIONALdepositional adj. Of, pertaining to, or in the nature of a deposit or a deposition.
DEPOSITIONAL adj. relating to deposition.
DESPOLIATIONdespoliation n. A stripping or plundering; spoliation.
DESPOLIATION n. the act of despoiling.
DIAGEOTROPICdiageotropic adj. (Botany) Relating to, or exhibiting, diageotropism.
DIAGEOTROPIC adj. tending to grow at right angles to the line of gravity.
DISOPERATIONDISOPERATION n. a mutually harmful relationship between two organisms in a community.
EPOXIDATIONSepoxidations n. Plural of epoxidation.
EPOXIDATION n. a conversion of a usually unsaturated compound into an epoxide.
OCTAPLOIDIESOCTAPLOIDY n. the condition of being octaploid, eightfold.
PERIODONTIASPERIODONTIA n. the branch of dentistry concerned with periodontal diseases.
PEROXIDATIONperoxidation n. (Chemistry) Any oxidation reaction, especially of an oxide, that produces a peroxide.
peroxidation n. (Organic chemistry) The reaction of a double bond with a peroxide.
PEROXIDATION n. the creation of a peroxide.
PROPANEDIOICPROPANEDIOIC adj. as in propanedioic acid, a white crystalline acid, aka malonic acid.
RADIOISOTOPEradioisotope n. (Physics) a radioactive isotope of an element.
RADIOISOTOPE n. a radioactive isotope.
RADIOPHONIESRADIOPHONY n. the art or practice of using the radiophone.
RADIOSCOPIESradioscopies n. Plural of radioscopy.
RADIOSCOPY n. examination of opaque bodies by X-rays.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 48 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 27 words
  • Scrabble in Italian: 53 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 38 words


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