differentiate vs separate

differentiate

verb
  • To perceive the difference between things; to discriminate. 

  • To (cause to) go through a process of development called differentiation; to make or become different in form or function. 

  • To recognize a distinction or difference between two things. 

  • To make different; to change, modify. 

  • To calculate the derivative of a function. 

  • To calculate the differential of a function of multiple variables. 

  • To teach a lesson in multiple different ways in order to meet the needs of more or less advanced students. 

noun
  • Something that has been differentiated or stratified. 

separate

verb
  • To cause (things or people) to be separate. 

  • To disunite from a group or mass; to disconnect. 

  • To divide (a thing) into separate parts. 

  • To divide itself into separate pieces or substances. 

noun
  • A printing of an article from a periodical as its own distinct publication and distributed independently, often with different page numbers. 

  • Anything that is sold by itself, especially articles of clothing such as blouses, skirts, jackets, and pants. 

adj
  • Apart from (the rest); not connected to or attached to (anything else). 

  • Not together (with); not united (to). 

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