aroid vs cuckoopint

aroid

noun
  • Any plant of the family Araceae, found chiefly in the tropics. 

cuckoopint

noun
  • The flowering plant Arum maculatum that has arrow-shaped leaves and a cluster of scarlet berries. 

  • The related plant Arum italicum. 

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