bai vs maid

bai

noun
  • A people of the Yunnan province of China. 

  • A marshy meadow in sub-Saharan Africa. 

maid

noun
  • A girl or an unmarried young woman; maiden. 

  • A female servant or cleaner (short for maidservant). 

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