potato vs taro

potato

noun
  • The tuber of a plant, Solanum tuberosum, eaten as a starchy vegetable, particularly in the Americas and Europe; this plant. 

  • Metaphor for a person or thing of little value. 

  • A camera that takes poor-quality pictures. 

  • A mentally handicapped person. 

  • A conspicuous hole in a sock or stocking. 

  • An underpowered computer or other device, especially when small in size. 

adj
  • Underpowered; low-end. 

taro

noun
  • Colocasia esculenta, raised as a food primarily for its corm, which distantly resembles potato. 

  • Any of several other species with similar corms and growth habit in Colocasia, Alocasia etc. 

  • Food from a taro plant. 

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