engrave vs ingrain

engrave

verb
  • To carve (something) into a material. 

  • To carve text or symbols into (something), usually for the purposes of identification or art. 

ingrain

verb
  • To make (something) deeply part of something else. 

  • To dye with a fast or lasting colour. 

noun
  • An ingrain fabric, such as a carpet. 

adj
  • Dyed with grain, or kermes. 

  • Dyed before manufacture; said of the material of a textile fabric; hence, in general, thoroughly inwrought; forming an essential part of the substance. 

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