incentive vs rooted

incentive

adj
  • Inciting; encouraging or moving; rousing to action; stimulating. 

  • Serving to kindle or set on fire. 

noun
  • Something that motivates, rouses, or encourages. 

  • A bonus or reward, often monetary, to work harder. 

rooted

adj
  • Ingrained, as through repeated use; entrenched; habitual or instinctive. 

  • Having a basic or fundamental connection (to a thing); based, originating (from). 

  • Having roots, or certain type of roots. 

  • In trouble or in strife, screwed. 

  • Having a root (superuser) account that has been compromised. 

  • Having a root. 

  • Broken, damaged, non-functional. 

  • Fixed in one position; immobile; unable to move. 

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