basin vs laver

basin

noun
  • A wide bowl for washing, sometimes affixed to a wall. 

  • A rock formation scooped out by water erosion. 

  • An area of land from which water drains into a common outlet; drainage basin. 

  • A depression, natural or artificial, containing water. 

verb
  • To serve as or become a basin. 

  • To shelter or enclose in a basin. 

  • To create a concavity or depression in. 

laver

noun
  • That which laves, particularly a washbasin. 

  • Other seaweeds similar in appearance or use, especially 

  • One who laves: a washer. 

  • A red alga/seaweed, Porphyra umbilicalis (syn. Porphyra laciniata), eaten as a vegetable. 

  • Porphyra vulgaris 

  • Where one laves, a washroom, particularly a lavatorium, the washing area in a monastery. 

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