lucky plant vs money plant

lucky plant

money plant

noun
  • A small plant with very round, dark green leaves, of the species Pilea peperomioides, native to southern China. 

  • A small, fleshy-leaved plant of the species Crassula ovata 

  • Pachira aquatica, a tropical wetland tree, native to Central and South America.known by a variety of common names including 

  • A herbaceous biennial plant of the species Lunaria annua, grown for its attractive spring flowering and dried silver seed pod middles, native 

  • A tropical vining plant of the species Epipremnum aureum, native to northern Australia and much of southern and eastern Asia. 

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