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List of 13-letter words containing

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There are 2 thirteen-letter words containing H, L, M, O, 2R, T and U

THERMONUCLEARthermonuclear adj. Of, or relating to the fusion of atomic nuclei at high temperatures.
thermonuclear adj. Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from…
thermonuclear n. (Military) A thermonuclear weapon.
ULTRAMARATHONultramarathon n. A running race over a distance longer than 42.195 km, the length of a standard marathon.
ULTRAMARATHON n. a footrace longer than a marathon.

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: 12 words
  • Scrabble in French: no word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 21 words


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