oasis vs sike

oasis

noun
  • A spring of fresh water, surrounded by a fertile region of vegetation, in a desert. 

  • A quiet, peaceful place or situation separated from surrounding noise or bustle. 

sike

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

  • A sigh. 

verb
  • To sigh or sob. 

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