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There are 8 twelve-letter words containing B, L, 2M, N, O, S and U

CUMULONIMBUScumulonimbus n. (Meteorology) A cloud, with a tall structure and a flat base, that is often associated with thunderstorms.
cumulo-nimbus n. Alternative form of cumulonimbus.
CUMULONIMBUS n. a type of cloud.
MEMBRANOUSLYmembranously adv. In a membranous manner.
MEMBRANOUS adv. like a membrane, also MEMBRANACEOUS, MEMBRANEOUS.
NOCTAMBULISMnoctambulism n. (Rare) sleepwalking.
NOCTAMBULISM n. somnambulism.
SOMNAMBULANTsomnambulant adj. Walking as if, or while, asleep; sleepwalking.
somnambulant n. A sleepwalker.
SOMNAMBULANT adj. having the habit of walking while asleep.
SOMNAMBULARYsomnambulary adj. Relating to sleepwalking.
SOMNAMBULARY adj. relating to somnambulation, sleepwalking, also SOMNAMBULAR.
SOMNAMBULATEsomnambulate v. (Intransitive) To walk while sleeping.
SOMNAMBULATE v. to walk when asleep.
SOMNAMBULISMsomnambulism n. Sleepwalking.
SOMNAMBULISM n. an abnormal condition of sleep in which motor acts, such as walking, are performed.
SOMNAMBULISTsomnambulist n. A person who walks about in their sleep; a sleepwalker.
SOMNAMBULIST n. a sleepwalker, also SOMNAMBULE.

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: 19 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 8 words
  • Scrabble in Italian: 3 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 7 words


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