alike vs congenerous

alike

adj
  • Having resemblance or similitude; similar; without difference. 

adv
  • In the same manner, form, or degree; in common; equally. 

congenerous

adj
  • Belonging to the same taxonomic genus; congeneric 

  • Having the same (kind of) origin or action 

How often have the words alike and congenerous occurred in a corpus of books? (source: Google Ngram Viewer )