adapt vs differentiate

adapt

verb
  • To fit by alteration; to modify or remodel for a different purpose; to adjust 

  • To make suitable; to make to correspond; to fit or suit 

  • To make by altering or fitting something else; to produce by change of form or character 

  • To make oneself comfortable to a new thing. 

adj
  • Adapted; fit; suited; suitable. 

differentiate

verb
  • To make different; to change, modify. 

  • 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 perceive the difference between things; to discriminate. 

  • 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. 

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