sideway vs sideways

sideway

adj
  • sidelong 

adv
  • sideways 

noun
  • A byway. 

  • A footpath near a road. 

sideways

adj
  • Positioned sideways (with a side to the front). 

  • Not as planned; towards a worse outcome. 

  • In conflict (with); not compatible (with). 

  • Moving or directed toward one side. 

  • Neither moving upward nor moving downward. 

adv
  • Askance; sidelong. 

  • With a side to the front. 

  • Neither upward nor downward. 

  • Towards one side. 

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