affluence vs hardship

affluence

noun
  • An influx. 

  • A moderate level of wealth. 

  • An abundance of wealth. 

hardship

verb
  • To treat (a person) badly; to subject to hardships. 

noun
  • Difficulty or trouble; hard times. 

  • A burden, a source of difficulty that could impose a barrier. 

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