meconium vs yen

meconium

noun
  • A dark green mass, the contents of the fetal intestines during the later stages of mammalian gestation, that forms the first feces of the newborn. 

yen

verb
  • To have a strong desire for. 

noun
  • A strong desire, urge, or yearning. 

  • The unit of Japanese currency (symbol: ¥) since 1871, divided into 100 sen. 

  • Opium. 

  • A coin or note worth one yen. 

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