difficulty vs health

difficulty

noun
  • Physical danger from the environment, especially with risk of drowning 

  • An obstacle that hinders achievement of a goal. 

  • The state of being difficult, or hard to do. 

  • An objection. 

  • An awkward situation or quarrel. 

  • That which cannot be easily understood or believed. 

health

noun
  • Physical condition. 

  • The state of being free from physical or psychological disease, illness, or malfunction; wellness. 

  • The amount of damage an in-game object can withstand before it is destroyed. 

  • A state of well-being or balance, often physical but sometimes also mental and social; the overall level of function of an organism from the cellular (micro) level to the social (macro) level. 

  • A toast to prosperity. 

  • in shape, in forme. 

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