labyrinthine vs obvolute

labyrinthine

adj
  • Convoluted, baffling, confusing, perplexing. 

  • Physically resembling a labyrinth; with the qualities of a maze. 

  • Relating to the labyrinth of the inner ear. 

obvolute

adj
  • overlapping; contorted; convoluted 

  • Having two opposite leaves, each with one edge overlapping the nearest edge of the other. 

  • Having a circle of several leaves or petals which overlap in that manner. 

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