powdery vs rasping

powdery

adj

  • Of or pertaining to powder. 

  • powdery drink 

rasping

adj

  • raspy 

  • exasperating 

noun

  • A sound that rasps. 

  • The act of rasping as with a file. 

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