fragile vs leathery

fragile

adj
  • Easily broken or destroyed, and thus often of subtle or intricate structure. 

  • Feeling weak or easily disturbed as a result of illness. 

  • Thin-skinned or oversensitive. 

noun
  • Something that is fragile. 

leathery

adj
  • Having the consistency, feel, or texture of leather. 

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