munchable vs packed lunch

munchable

noun
  • Anything edible; a snack. 

adj
  • Capable of being munched; edible; snackable. 

packed lunch

noun
  • A picnic meal, sandwiches or anything packed and intended to be eaten away from home. 

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