wastage vs wasting

wastage

noun
  • The amount or proportion of something that is wasted or lost by deterioration or other natural process. 

  • The periodical turnover of personnel in an organisation by death, retirement or resignation, as perceived by those aspiring to promotion or appointment in the organisation. 

  • Anything lost by wear or waste. 

  • Goods that are damaged, out of date, reduced, or generally unsaleable, which are destined to be thrown away and which are written off as a loss. 

  • The act of abandoning animal carcasses or parts, usually illegal. 

wasting

noun
  • Gradual deterioration or wasting away. 

  • The act by which something is laid waste; destruction. 

adj
  • Causing a waste, or wasting away; causing pronounced loss of body mass. 

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