gift vs superannuation

gift

noun
  • A talent or natural ability. 

  • Something given to another voluntarily, without charge. 

  • Something gained incidentally, without effort. 

  • The act, right, or power of giving or bestowing. 

verb
  • To give as a gift or donation. 

  • To give away, to concede easily. 

superannuation

noun
  • The condition or of being superannuated; old age or obsolescence. 

  • A retirement benefit fund, an accumulation of regular deductions from one′s wage or salary while employed and similar regular contributions from the employer, usually administered by an independent entity; a pension. 

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