neem vs nim

neem

noun
  • Azadirachta indica, a large, mostly evergreen tree from India, whose seeds yield the insecticide azadirachtin. 

nim

verb
  • To walk with short, quick strides; trip along. 

noun
  • A game in which players take turns removing objects from heaps. 

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