offstand vs walk off

offstand

verb
  • To endure against; stand or ward off; defend against; withstand; resist. 

  • To offset; compensate for; make restitution for. 

noun
  • Offset; restitution. 

walk off

verb
  • To flee or abandon. 

  • To measure a distance by walking, as by counting paces or extending a measuring tape or rope. 

  • To recover from (a minor injury) or digest (a large meal) by walking around. 

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