hinterland vs slub

hinterland

noun
  • The land immediately next to, and inland from, a coast. 

  • A remote or undeveloped area, a backwater. 

  • Anything vague or ill-defined, especially something that is ill understood. 

  • The rural territory surrounding an urban area, especially a port. 

  • That which is unknown or unexplored about someone. 

slub

verb
  • To draw and twist fibers in order to prepare them for spinning. 

noun
  • Fabric fiber produced by slubbing. 

  • A small thickened portion or knot found on linen yarn, caused by defects. 

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