clad vs tessellate

clad

verb
  • To cover with a cladding or another material (for example, insulation). 

  • To imbue (with a specified quality); to envelop or surround. 

adj
  • Adorned, ornamented. 

  • Covered, enveloped in, or surrounded by a cladding, or a specified material or substance. 

  • Wearing clothing or some other covering (for example, an armour) on the body; clothed, dressed. 

tessellate

verb
  • To cover with tiles or stones, as a mosaic; to tile. 

  • To completely fill (an area) when multiple copies of one or more two-dimensional shapes are placed edge to edge. 

  • Of a two-dimensional shape, such that multiple copies of itself placed edge to edge cover an area leaving no space between the shapes. 

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