desirable vs selectable

desirable

adj
  • Worthy to be desired; pleasing; agreeable. 

noun
  • A thing that people want; something that is desirable. 

selectable

adj
  • Capable of being selected. 

noun
  • An item that can be selected by the user. 

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