homeosis

/HH OW0 M IY0 OW0 S AH0 S/
noun
  1. 1

    The formation of a normal plant or animal structure or organ in place of another at an abnormal site; the transformation of one body part to another.

  2. 2

    Usage of similitude in rhetoric; drawing a conclusion from similarity of two objects of study.

Source: https://en.wiktionary.org/wiki/homeosis