crofting vs industry

crofting

noun
  • The process of exposing linen to the sun, on the grass, in the process of bleaching. 

  • A form of land tenure and small-scale food production, unique to the Highlands and islands of Scotland, in which individual crofts are established on the better land while a large area of poor-quality hill ground is shared by all the crofters of the township for grazing. 

industry

noun
  • The sector of the economy consisting of large-scale enterprises. 

  • The tendency to work persistently. Diligence. 

  • Businesses that produce goods as opposed to services. 

  • Businesses of the same type, considered as a whole. Trade. 

  • Automated production of material goods. 

  • A typological classification of stone tools, associated with a technocomplex. 

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