obvolute vs voluminous

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. 

voluminous

adj
  • Consisting of many folds, coils, or convolutions. 

  • Having written much, or produced many volumes 

  • Of or pertaining to volume or volumes. 

  • Of great volume, or bulk; large. 

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