blackish vs frosted

blackish

adj

  • somewhat black 

frosted

adj

  • Damaged by frost. 

  • Covered in frost; frosty. 

  • Appearing to be covered in frost. 

  • Extremely intoxicated. 

noun

  • A kind of milkshake made with ice cream. 

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