cat-o'-nine-tails vs scythe

cat-o'-nine-tails

noun
  • A similarly constructed leather nine-tail whip, as used in British penal colonies and certain armies. 

  • A scourge (multi-tail whip) having nine, often knotted, whipcords, formerly used for flogging as naval punishment. 

scythe

noun
  • A scythe-shaped blade attached to ancient war chariots. 

  • The tenth Lenormand card. 

  • An instrument for mowing grass, grain, etc. by hand, composed of a long, curving blade with a sharp concave edge, fastened to a long handle called a snath. 

verb
  • To attack or injure as if cutting. 

  • To use a scythe. 

  • To cut with a scythe. 

  • To cut off as with a scythe; to mow. 

How often have the words cat-o'-nine-tails and scythe occurred in a corpus of books? (source: Google Ngram Viewer )