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There are 16 twelve-letter words containing I, 2L, 2O, P, S and Y

COMPULSORILYcompulsorily adv. In a compulsory manner.
COMPULSORY adv. obligatory.
EBULLIOSCOPYebullioscopy n. (Physics) the measurement of the boiling point of liquids.
EBULLIOSCOPY n. measurement by use of an ebullioscope.
ISOTOPICALLYisotopically adv. With regard to isotopes.
ISOTOPIC adv. of or like an isotope.
PALYNOLOGIESPALYNOLOGY n. the scientific study of spores and pollen.
PALYNOLOGISTpalynologist n. One who studies palynology (pollen, spores, and other particulate organic matter).
PALYNOLOGIST n. a student of palynology.
PODOPHYLLINSpodophyllins n. Plural of podophyllin.
PODOPHYLLIN n. a cathartic resin obtained from the rhizomes of the Podophyllum genus, also PODOPHYLIN.
POLYGLOTISMSpolyglotisms n. Plural of polyglotism.
POLYGLOTISM n. the use of many languages.
POLYGLOTTISMpolyglottism n. Alternative spelling of polyglotism.
POLYGLOTTISM n. the state of being polyglot.
POLYPLOIDIESpolyploidies n. Plural of polyploidy.
POLYPLOIDY n. the condition of being polyploid.
POLYSILOXANEpolysiloxane n. (Chemistry) Any of many polymers having a siloxane repeat unit.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
POLYTONALISMPOLYTONALISM n. the state of being polytonal, having many keys.
POLYTONALISTpolytonalist n. (Music) A person who composes or plays polytonal music.
POLYTONALIST n. one who writes polytonal music.
POSITIONALLYpositionally adv. In a positional context; in terms of position.
POSITIONAL adv. of, relating to, or fixed by position.
PROSODICALLYprosodically adv. In a prosodic manner.
PROSODICAL adv. of or pertaining to prosody, also PROSODIC.
PROSYLLOGISMprosyllogism n. (Logic) A syllogism that is preliminary or logically essential to another syllogism.
prosyllogism n. (Logic) The conclusion of such a syllogism, which becomes a premise of the following syllogism.
pro-syllogism n. Alternative form of prosyllogism.
TYPHLOLOGIESTYPHLOLOGY n. the study of blindness and the blind.

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: 8 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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