expressis verbis vs forthright

expressis verbis

adv
  • Expressly; explicitly. 

forthright

adv
  • Expressly, frankly, unhesitatingly. 

  • Swiftly. 

  • At once, forthwith. 

adj
  • Markedly simple. 

  • Straightforward; not evasive; candid and direct. 

  • Fixed; settled; decided. 

  • Frank, outspoken. 

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