easy vs relentless

easy

adj
  • Free from constraint, harshness, or formality; unconstrained; smooth. 

  • Consenting readily to sex. 

  • Requiring little skill or effort. 

  • Comfortable; at ease. 

  • Causing ease; giving comfort, or freedom from care or labour. 

  • Not making resistance or showing unwillingness; tractable; yielding; compliant. 

verb
  • Synonym of easy-oar 

adv
  • In a relaxed or casual manner. 

  • In a manner without strictness or harshness. 

  • At the very least. 

noun
  • Something that is easy. 

relentless

adj
  • Unremitting, steady and persistent. 

  • Unrelenting or unyielding in severity. 

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