suit of armour vs trappings

suit of armour

noun
  • A collection of garments, usually made of metal, worn over the body for protection in battle from weapons. 

trappings

noun
  • Clothing or equipment; that which gives the appearance of something. 

  • Ornamental coverings or harnesses for a horse; caparisons. 

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