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 There is only one twelve-letter word containing A, D, M, 2R and 2U| UNDERSTRATUM | • understratum n. The layer, or stratum, of earth on which the soil rests; the subsoil. • UNDERSTRATUM n. a stratum under another stratum.
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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 WikWik.org and 1Word.ws.
 
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