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There are 12 thirteen-letter words containing I, M, N, 2S, 2T and Y

MISTRUSTINGLYmistrustingly adv. In a mistrusting manner.
MISTRUSTING adv. MISTRUST, to have no trust in, also DISTRUST.
NONSYSTEMATICnonsystematic adj. Not systematic.
NONSYSTEMATIC adj. not systematic.
NYCTITROPISMSNYCTITROPISM n. the assumption by plants of certain positions at night, esp. ones different from daytime positions.
SEMISYNTHETICsemisynthetic adj. (Organic chemistry) synthesized by chemically modifying a natural material.
semisynthetic n. (Organic chemistry) Any compound that is synthesized by chemically modifying a natural material.
SEMISYNTHETIC adj. produced by chemical alteration of a natural starting material.
STREPTOMYCINSstreptomycins n. Plural of streptomycin.
STREPTOMYCIN n. an antibiotic produced by the soil bacterium Streptomyces griseus, the first drug to be successful against tuberculosis.
SYNTAGMATITESsyntagmatites n. Plural of syntagmatite.
SYNTAGMATITE n. a kind of hornblende.
SYNTHETICISMSSYNTHETICISM n. the principles of synthesis, a synthetic system.
SYSTEMATICIANsystematician n. A person who works or studies according to a system.
SYSTEMATICIAN n. one who studies systems.
SYSTEMATISINGsystematising v. Present participle of systematise.
SYSTEMATISE v. to reduce to a system, also SYSTEMATIZE.
SYSTEMATIZINGsystematizing v. Present participle of systematize.
systematizing n. The process by which something is systematized; a systematization.
SYSTEMATIZE v. to reduce to a system, also SYSTEMATISE.
SYSTEMISATIONsystemisation n. Alternative form of systemization.
SYSTEMISATION n. the act of systemising, also SYSTEMIZATION.
SYSTEMIZATIONsystemization n. Systematization.
SYSTEMIZATION n. the act of systemizing, also SYSTEMISATION.

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: 35 words
  • Scrabble in French: 15 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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