completion vs derivation

completion

noun
  • The act or state of being or making something complete; conclusion, accomplishment. 

  • The space resulting from such an act. 

  • The conclusion of an act of conveyancing concerning the sale of a property. 

  • The act of making a metric space complete by adding points. 

  • A forward pass that is successfully caught by the intended receiver. 

derivation

noun
  • The act of receiving anything from a source; the act of procuring an effect from a cause, means, or condition, as profits from capital, conclusions or opinions from evidence. 

  • The act of tracing origin or descent. 

  • A leading or drawing off of water from a stream or source. 

  • That from which a thing is derived. 

  • That which is derived; a derivative; a deduction. 

  • The state or method of being derived; the relation of origin when established or asserted. 

  • Forming a new word by changing the base of another word or by adding affixes to it. 

  • The operation of deducing one function from another according to a fixed definition, referred to as derivation or differentiation; this is the inverse operation to integration. 

  • A drawing of humors or fluids from one part of the body to another, to relieve or lessen a morbid process. 

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