westerwards vs westwardly

westerwards

adv

  • Synonym of westwards 

westwardly

adv

  • In a westward direction. 

adj

  • Blowing from the west (of wind). 

  • Situated in or moving towards the west. 

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