run down vs specialize

run down

verb
  • To reduce the size or stock levels of a business, often with a view to closure. 

  • To chase till the object pursued is captured or exhausted. 

  • To describe in the form of a rundown, a rough outline or summary. 

  • To run against and sink, as a vessel. 

  • To read quickly a list or other short text. 

  • To find something or someone after searching for a long time. 

  • To lose power slowly. Used for a machine, battery, or other powered device. 

  • To decline in quality or condition. 

  • To crush; to overthrow; to overbear. 

  • To hit someone with a car or other vehicle and injure or kill them. 

  • To criticize someone or an organisation, often unfairly. 

specialize

verb
  • To narrow in scope. 

  • To become distinct or separate from what is common 

  • To focus one's study upon a particular skill, field, topic, or genre. 

  • To make distinct or separate due to form or function. 

  • To be known or notorious for some specialty. 

  • To specify: to mention specifically. 

  • To focus one's business upon a particular item or service. 

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