Quick definitions from WordNet (coke)

▸ noun:  street names for cocaine
▸ noun:  carbon fuel produced by distillation of coal
▸ noun:  Coca Cola is a trademarked cola
▸ verb:  become coke ("Petroleum oils coke after distillation")
▸ name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #9586)

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▸ Also see coke