plausible vs trustable

plausible

adj
  • Obtaining approbation; specifically pleasing; apparently right; specious. 

  • Seemingly or apparently valid, likely, or acceptable; conceivably true or likely. 

trustable

adj
  • Capable of being trusted; trustworthy. 

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