bedroom community vs slub

bedroom community

noun
  • An urban community that is primarily residential, from which most of the workforce commutes out to earn their livelihood; often a suburb of a nearby metropolis that workers travel to daily. 

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 bedroom community and slub occurred in a corpus of books? (source: Google Ngram Viewer )