(like) Tweedledum and Tweedledee vs alike

(like) Tweedledum and Tweedledee

alike

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

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

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