brownify vs golden

brownify

verb
  • To make or become more brown. 

  • To cause to contain more racially 'brown' people, elements, or culture. 

  • To become brown due to increased levels of humic material. 

golden

verb
  • To become gold or golden (in colour). 

  • To make golden or like gold. 

noun
  • Kyphosus vaigiensis, a fish found in southeast Asia. 

adj
  • Made of, or relating to, gold. 

  • Fine, without problems. 

  • Having a colour or other richness suggestive of gold. 

  • Advantageous or very favourable. 

  • Of a beverage, flavoured or colored with turmeric. 

  • Marked by prosperity, creativity etc. 

  • Relating to a fiftieth anniversary. 

  • Relating to the elderly or retired. 

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