curiosity vs peculiarity

curiosity

noun
  • A unique or extraordinary object which arouses interest. 

  • Inquisitiveness; the tendency to ask and learn about things by asking questions, investigating, or exploring. 

peculiarity

noun
  • That which is peculiar; a special and distinctive characteristic or habit; particularity. 

  • Exclusive possession or right. 

  • The quality or state of being peculiar; individuality; singularity. 

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