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List of 12-letter words containing

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There are 4 twelve-letter words containing A, 2N, O, P, S, T and Z

OPSONIZATIONopsonization n. (Immunology) The process or result of opsonizing.
OPSONIZATION n. the process of opsonizing, also OPSONISATION.
PENTAZOCINESpentazocines n. Plural of pentazocine.
PENTAZOCINE n. a synthetic analgesic drug, less addictive than morphine.
SPLENIZATIONsplenization n. (Medicine) A morbid state of the lung produced by inflammation, in which its tissue resembles that of the spleen.
SPLENIZATION n. conversion (e.g. of the lung) into a spongy, spleen-like substance, also SPLENISATION.
ZOOPLANKTONSzooplanktons n. Plural of zooplankton.
ZOOPLANKTON n. tiny, free-floating organisms in aquatic systems.

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: 8 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: 9 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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