souther vs southerly

souther

noun
  • A strong wind blowing from the south. 

verb
  • To move toward the south. 

  • To fix; remedy; put to rights. 

southerly

noun
  • A wind blowing from the south. 

adj
  • Located towards or in the south. 

  • Facing the south; directed towards the south. 

  • Coming from the south. 

adv
  • From the south. 

  • In a southward direction or position; (towards the) south. 

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