employ vs wield

employ

verb
  • To use (somebody for a job, or something for a task). 

  • To hire (somebody for work or a job). 

  • To make busy. 

noun
  • The state of being an employee; employment. 

wield

verb
  • To handle with skill and ease, especially a weapon or tool. 

  • To exercise (authority or influence) effectively. 

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