brindle vs embrown

brindle

verb
  • To form streaks of a different color. 

adj
  • Having such a colouration; brindled 

noun
  • An animal so coloured. 

  • A streaky colouration in animals. 

embrown

verb
  • To make (something) dark or dusky (“having a rather dark shade of colour”); to brown, to darken. 

  • To make (something) brown; to brown. 

  • To become or make dark or dusky; to brown, to darken. 

  • To become or make brown; to brown. 

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