achar vs chutney

achar

noun
  • A spicy and salty pickle in Indian cuisine. 

chutney

noun
  • A sweet or savory but usually spicy condiment, originally from eastern India, made from a variety of fruits and/or vegetables, often containing significant amounts of fresh green or dried red chili peppers. 

  • A style of Indo-Caribbean music from the West Indies, associated especially with Trinidad and Tobago. 

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