fever vs morbus

fever

noun
  • Any of various diseases. 

  • A higher than normal body temperature of a person (or, generally, a mammal), usually caused by disease. 

  • A group of stingrays. 

  • A state of excitement or anxiety. 

verb
  • To become fevered. 

  • To put into a fever; to affect with fever. 

morbus

noun
  • A disease. 

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