adherent vs rooter

adherent

noun
  • A person who has membership in some group, association or religion. 

adj
  • Adhesive, sticking to something. 

  • Having the quality of clinging or sticking fast to something. 

  • Attaching or pressing against a different organ. 

rooter

noun
  • One who roots or rummages through something. 

  • One who, or that which, roots; one that tears up by the roots. 

  • One who roots for, or applauds, something. 

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