alimony vs contribution

alimony

noun
  • A court-mandated allowance made to a former spouse by a divorced or legally separated person. 

  • The means to support life. 

contribution

noun
  • An amount of money given toward something. 

  • Something given or offered that adds to a larger whole. 

  • The act of contributing. 

  • The taking part, often with the idea that it has led to (scientific etc.) progress. 

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