cool as a cucumber vs patient

cool as a cucumber

adj
  • Calm and composed even in difficult or frustrating situations; self-possessed. 

patient

adj
  • Willing to wait if necessary; not losing one's temper while waiting. 

  • Constant in pursuit or exertion; persevering; calmly diligent. 

noun
  • One who, or that which, is passively affected; a passive recipient. 

  • A person or animal who receives treatment from a doctor or other medically educated person. 

  • The noun or noun phrase that is semantically on the receiving end of a verb's action. 

How often have the words cool as a cucumber and patient occurred in a corpus of books? (source: Google Ngram Viewer )