palace vs posada

palace

noun
  • A large and lavishly ornate residence. 

  • Official residence of a head of state or other dignitary, especially in a monarchical or imperial governmental system. 

  • A large, ornate public building used for entertainment or exhibitions. 

posada

noun
  • An inn in Spanish-speaking regions. 

  • A traditional Mexican Christmas procession. 

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