cannibalism

noun3

1. •
   The act of eating another of one's own species.

   • Cannibalism does not openly figure amongst aboriginal misdeeds, but in the northern part of Queensland it is no uncommon vice. — 1887
2. •
   In speech, the occurrence of one word eliding part or all of the next word, because the syllables are the same.
3. •
   (figurative) An act in which one thing consumes or takes over another of the same kind.