analogous vs of a piece

analogous

adj
  • Having analogy; corresponding to something else; bearing some resemblance or proportion (often followed by "to".) 

  • Functionally similar, but arising through convergent evolution rather than being homologous. 

of a piece

prep
  • Used other than figuratively or idiomatically: see of, a, piece. 

  • Of the same kind. 

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