abstention vs self-indulgence

abstention

noun
  • Non-participation in the political world; as a country avoiding international affairs. 

  • The act of declining to vote on a particular issue. 

  • The act of abstaining or refraining (from). 

self-indulgence

noun
  • Excessive or immoderate indulgence of one's own personal desires and needs above all others. 

How often have the words abstention and self-indulgence occurred in a corpus of books? (source: Google Ngram Viewer )