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 There are 7 twelve-letter words containing 3A, C, I, S, T and Y| ANTICATALYST | • anticatalyst n. Any substance that inhibits the activity of a catalyst. • ANTICATALYST n. a substance that destroys or diminishes the activity of a catalyst.
 |  | AVASCULARITY | • avascularity n. (Anatomy) The condition of being avascular. • AVASCULARITY n. the state of being avascular.
 |  | CATAPHYSICAL | • cataphysical adj. Unnatural; going against nature. • CATAPHYSICAL adj. unnatural.
 |  | PARASYNAPTIC | • parasynaptic adj. Relating to parasynapsis. • PARASYNAPTIC adj. of or like a parasynapsis.
 |  | TACHYCARDIAS | • tachycardias n. Plural of tachycardia, which can refer to types of tachycardia, cases of tachycardia, or episodes of tachycardia. • TACHYCARDIA n. quick heart-rate.
 |  | TACHYPHASIAS | • TACHYPHASIA n. abnormally rapid or voluble speech, also TACHYPHRASIA. |  | TACHYPHRASIA | • tachyphrasia n. Tachyphemia. • TACHYPHRASIA n. abnormally rapid or voluble speech, also TACHYPHASIA.
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 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.
 
 See this list for:English Wiktionary: 21 wordsScrabble in French: 4 wordsScrabble in Spanish: 10 wordsScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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