accession vs recruitment

accession

noun
  • A coming to; the act of acceding and becoming joined. 

  • A mode of acquiring property, by which the owner of a corporeal substance which receives an addition by growth, or by labor, has a right to the part or thing added, or the improvement (provided the thing is not changed into a different species). 

  • The act of coming to or reaching a throne, an office, or dignity. 

  • The invasion, approach, or commencement of a disease; a fit or paroxysm. 

  • Access; admittance. 

  • A group of plants of the same species collected at a single location, often held in genebanks. 

  • Complicity, concurrence or assent in some action. 

  • Agreement. 

  • The act by which one power becomes party to engagements already in force between other powers. 

  • Increase by something added; that which is added; augmentation from without. 

verb
  • To make a record of (additions to a collection). 

recruitment

noun
  • A style or process of recruiting. 

  • 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. 

  • 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. 

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