ki vs ti

ki

noun
  • A plant native to the Pacific islands and China (Cordyline fruticosa); ti. 

ti

noun
  • The good luck plant (Cordyline fruticosa), an evergreen shrub. 

  • A syllable used in solfège to represent the seventh note of a major scale. 

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