dunkable vs wetproof

dunkable

adj

  • Waterproof. 

  • Suitable for dunking (as of food). 

noun

  • Any food item suitable for dunking. 

wetproof

adj

  • Waterproof. 

verb

  • To make waterproof. 

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