burnable vs lightable

burnable

adj
  • Able to be burned; combustible 

noun
  • Anything that can be burned. 

lightable

adj
  • Capable of catching fire or being ignited. 

  • Capable of being illuminated or made light or bright; able to affix with a light. 

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