import vs pith

import

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. 

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

  • To mean, signify. 

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

  • 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). 

pith

noun
  • The essential or vital part; force; energy; importance. 

  • The spinal cord; the marrow. 

  • The soft, spongy substance in the center of the stems of many plants and trees. 

  • The albedo of a citrus fruit. 

  • The spongy interior substance of a feather or horn. 

  • One divided by pi. 

  • Power, strength, might. 

adj
  • The ordinal form of the number pi. 

verb
  • To extract the pith from (a plant stem or tree). 

  • To kill (especially cattle or laboratory animals) by cutting or piercing the spinal cord. 

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