surety vs suspect

surety

noun
  • One who undertakes to pay money or perform other acts in the event that his principal fails therein. 

  • A promise to pay a sum of money in the event that another person fails to fulfill an obligation. 

  • A substitute; a hostage. 

  • Evidence; confirmation; warrant. 

  • Certainty. 

  • That which makes sure; that which confirms; ground of confidence or security. 

suspect

noun
  • A person who is suspected of something, in particular of committing a crime. 

verb
  • To have suspicion. 

  • To imagine or suppose (something) to be true, or to exist, without proof. 

  • To believe (someone) to be guilty. 

  • To distrust or have doubts about (something or someone). 

adj
  • Viewed with suspicion; suspected. 

  • Viewing with suspicion; suspecting. 

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