recruitment vs redundancy

recruitment

noun
  • Opening of collapsed lung alveoli by means of controlled increase in transpulmonary pressure using mechanical ventilation. (treatment strategy for ARDS) 

  • A physical condition of the inner ear that leads to reduced tolerance of loudness, commonly occurring in those with hearing loss due to cochlear damage. 

  • The full aeration of a lung. 

  • A style or process of recruiting. 

  • The process or art of finding candidates for a post in an organization, or recruits for the armed forces. 

  • The addition of new adult or breeding-age individuals (recruits) to a population. 

redundancy

noun
  • The state of being redundant 

  • Duplication of parts of a message to guard against transmission errors. 

  • surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains. 

  • A superfluity; something redundant or excessive; a needless repetition in language 

  • Duplication of components or circuits to provide survival of the total system in case of failure of single components. 

  • The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff. 

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