involvement vs wicker

involvement

noun
  • The act of involving, or the state of being involved. 

wicker

noun
  • Wickerwork. 

  • wicker basket 

  • A flexible branch or twig of a plant such as willow, used in weaving baskets and furniture. 

adj
  • Made of wickerwork. 

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