sike vs wellspring

sike

noun
  • A gutter or ditch; a small stream that frequently dries up in the summer. 

  • A sigh. 

verb
  • To sigh or sob. 

wellspring

noun
  • The source of water for a stream, spring or well; a fountainhead; a wellhead. 

  • A perennial source of anything; a fountainhead of supply or emanation; resource. 

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