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List of 12-letter words containing

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

CYCLOPROPANEcyclopropane n. (Organic chemistry, pharmacology) The simplest alicyclic hydrocarbon, C3H6, an inflammable gas, sometimes…
CYCLOPROPANE n. a flammable gaseous saturated cyclic hydrocarbon sometimes used as a general anesthetic.
HYPNOPHOBIASHYPNOPHOBIA n. an irrational fear of sleep.
HYPOPLASTRONhypoplastron n. The third lateral plate in the plastron of turtles.
HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron.
HYPSOPHOBIASHYPSOPHOBIA n. a fear of falling from high places.
MORPHOGRAPHYmorphography n. Descriptive morphology.
MORPHOGRAPHY n. a morphological description or study.
OPPOSABILITYopposability n. The condition or quality of being opposable (capable of being placed opposite to something else).
opposability n. The condition or quality of being opposable (capable of being resisted).
OPPOSABILITY n. the state of being opposable.
PAPYROLOGIESpapyrologies n. Plural of papyrology.
PAPYROLOGY n. the study of paper.
PAPYROLOGISTpapyrologist n. A student of papyrology, the study of ancient writings on papyrus.
PAPYROLOGIST n. a student of papyrology.
PHONOTYPICALphonotypical adj. Alternative form of phonotypic.
PHONOTYPICAL adj. of or like a phonotype, a printing type of phonetic alphabet, also PHONOTYPIC.
PHOTOTHERAPYphototherapy n. The use of light to treat disorders of the skin, and certain mood disorders.
PHOTOTHERAPY n. the treatment of disease by light.
PHYTOPHAGOUSphytophagous adj. (Zoology) Feeding on plants, herbivorous.
PHYTOPHAGOUS adj. feeding on plants, also PHYTOPHAGIC.
POLAROGRAPHYpolarography n. (Chemistry) An electrochemical technique for the analysis of redox reactions.
POLAROGRAPHY n. a technique for determining the concentration and nature of the ions in a solution by an electrolytic process.
POLYPETALOUSpolypetalous adj. (Botany) having a corolla composed of distinct, separable petals.
POLYPETALOUS adj. separate petals.
POLYSEPALOUSpolysepalous adj. (Botany, of a calyx) having separate sepals.
POLYSEPALOUS adj. having separate sepals.
PROPITIATORYpropitiatory adj. Intended to propitiate, reconcile, expiate or appease; conciliatory.
PROPITIATORY adj. serving to propitiate, also PROPITIATIOUS, PROPITIATIVE.
PROPITIATORY n. the mercy seat.
PROTOTYPICALprototypical adj. Constituting or representing an original type of something that others are modelled on or derived from.
PROTOTYPICAL adj. relating to a prototype, also PROTOTYPAL, PROTOTYPIC.
SYNAPOMORPHYsynapomorphy n. (Cladistics) A derived trait that is shared by two or more taxa of shared ancestry.

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: 99 words
  • Scrabble in French: 21 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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