ablution vs percolate

ablution

noun
  • The liquid used in the cleansing or ablution. 

  • Washing oneself; bathing, cleaning oneself up. 

  • Originally, the purifying of oils and other substances by emulsification with hot water; now more generally, a thorough cleansing of a precipitate or other non-dissolved substance. 

  • The location or building where the showers and basins are located. 

  • The act of washing or cleansing the body, or some part of it, as a religious rite. 

  • The rinsing of the priest's hand and the sacred vessel following the Communion with, depending on rite, water or a mix of it and wine, which may then be drunk by the priest. 

  • The ritual consumption by the deacon or priest of leftover sacred wine of host after the Communion. 

percolate

noun
  • A liquid that has been percolated. 

verb
  • To pass a liquid through a porous substance; to filter. 

  • To make (coffee) in a percolator. 

  • To drain or seep through a porous substance. 

  • To spread slowly or gradually; to slowly become noticed or realised. 

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