blackstone | 
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| 1. | [ noun ] Last name, frequency rank in the U.S. is 8964 | |
| Similar spelling: | 
  Blackston Blystone bluestone Blackstock blue_stone black_tongue blackseed blackthorn Blackwater black_stork blacktopped blastocele blastoderm blastocoel blastomere blastocyte blastopore blackout blacktop blastomeric blastocoele Blastomyces blastodermic blastoff blackwood black_out blastocoelic blastoma black_cat blastogenetic blastogenesis blastomycete blackhead Blacketer black-tie black_tie black_tea blastosphere  | 
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