lavage vs tincture

lavage

noun
  • A washing of a hollow organ. 

  • A washing. 

verb
  • To wash a hollow organ 

tincture

noun
  • A medicine consisting of one or more substances dissolved in ethanol or some other solvent. 

  • A colour or tint, especially if produced by a pigment or something which stains; a tinge. 

  • A (small) alcoholic drink. 

  • The part of a substance thought to be essential, finer, and/or more volatile, which could be extracted in a solution; also, the process of obtaining this. 

  • An immaterial substance or spiritual principle which was thought capable of being instilled into physical things; also, the essence or spirit of something. 

  • A slight addition of a thing to something else; a shade, a touch, a trace. 

  • A hue or pattern used in the depiction of a coat of arms; namely, a colour, fur, or metal. 

  • A material essence thought to be capable of extraction from a substance. 

verb
  • Followed by with: to add to or impregnate (something) with (a slight amount of) an abstract or (obsolete) physical quality; to imbue, to taint, to tinge. 

  • To have a taint or tinge of some quality. 

  • To dissolve (a substance) in ethanol or some other solvent to produce a medicinal tincture. 

  • To colour or stain (something) with, or as if with, a dye or pigment. 

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