starvation vs sustenance

starvation

noun
  • A state where a process is perpetually denied necessary resources to process its work. 

  • Severe shortage of resources. 

  • A condition of severe suffering due to a lack of nutrition. 

sustenance

noun
  • Something that provides support or nourishment. 

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