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 There are 4 twelve-letter words containing OSYS| ARAEOSYSTYLE | • araeosystyle n. (Architecture) An arrangement of columns that alternates between araeostyle and systyle. • ARAEOSYSTYLE n. a building or colonnade alternately araeostyle and systyle, also AREOSYSTILE. |  | AREOSYSTILES | • AREOSYSTILE n. a building or colonnade alternately araeostyle and systyle, also ARAEOSYSTYLE. |  | CRYPTOSYSTEM | • cryptosystem n. A system of cryptography. |  | PHOTOSYSTEMS | • photosystems n. Plural of photosystem. • PHOTOSYSTEM n. either of two photochemical reaction centers consisting chiefly of photosynthetic pigments complexed with protein and occurring in chloroplasts. |  
 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. 
 See this list for:- English Wiktionary: 24 words
 - Scrabble in French: 3 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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