ratan vs rattan

ratan

rattan

noun
  • The plant used as a material for making furniture, baskets etc. 

  • A cane made from this material. 

  • Any of several species of climbing palm of the genus Calamus. 

verb
  • To beat with a rattan cane. 

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