chive vs stob

chive

verb
  • To stab. 

  • To cut. 

noun
  • A knife. 

  • A saw. 

  • The spring onion; The green onion; the scallion. 

  • A file. 

  • The leaves of this plant used as a herb. 

  • A perennial plant, Allium schoenoprasum, related to the onion. 

stob

verb
  • To stab. 

  • To make mats with a stob tool. 

  • To roof with stob-thatch. 

noun
  • A small post for supporting paling. 

  • A wedge in coal-mining. 

  • A stick, twig or peg, especially in roofing or matting. 

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