sidely vs sidewards

sidely

adv

  • To the side; sideways; laterally; sideling; obliquely; indirectly. 

adj

  • Of or relating to the side (of something); lateral. 

sidewards

adv

  • Toward a side. 

adj

  • Toward a side. 

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