eddo vs malanga

eddo

noun
  • The tubers of this plant. 

  • A plant (Colocasia esculenta, but often identified as Colocasia antiquorum, among numerous other synonyms), which is usually considered a variety of C. esculenta, with edible starchy tubers. 

malanga

noun
  • The edible tuber of these plants, some of which have medicinal value. 

  • Taro (Colocasia esculenta) 

  • Chinese taro (Alocasia cucullata, syn. Caladium colocasia). 

  • Any of several Central and South American plants, of the genus Xanthosoma; yautia. 

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