import vs make a difference

import

verb
  • To be important; to be significant; to be of consequence. 

  • To be incumbent on (someone to do something). 

  • To mean, signify. 

  • To load a file into a software application from another version or system. 

  • To bring (something) in from a foreign country, especially for sale or trade. 

  • To be important or crucial to (that something happen). 

  • To be of importance to (someone or something). 

noun
  • Significance, importance. 

  • The practice of importing. 

  • Something brought in from an exterior source, especially for sale or trade. 

  • A foreigner playing in a sports league. 

make a difference

verb
  • To be of importance; to matter. 

  • To carry out an action, the result of which is a significant change, or an altered circumstance. 

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