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List of 12-letter words containing

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There are 4 twelve-letter words containing A, 3O, P, S and Z

OPSONIZATIONopsonization n. (Immunology) The process or result of opsonizing.
OPSONIZATION n. the process of opsonizing, also OPSONISATION.
SPERMATOZOONspermatozoon n. (Cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.
spermatozoön n. Alternative spelling of spermatozoon.
SPERMATOZOON n. a male sexual cell, which fertilises the egg, also SPERMATOZOAN.
ZOOPLANKTONSzooplanktons n. Plural of zooplankton.
ZOOPLANKTON n. tiny, free-floating organisms in aquatic systems.
ZOOSPORANGIAzoosporangia n. Plural of zoosporangium.
zoösporangia n. Plural of zoösporangium.
ZOOSPORANGIUM n. a spore case or sporangium bearing zoospores.

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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