plink vs tone color

plink

noun
  • A short, high-pitched metallic or percussive sound. 

verb
  • To take part in the sport of plinking. 

  • To make a plink sound. 

  • (colloquial) To play a song or a portion of a song, usually on a percussion instrument such as a piano. 

tone color

noun
  • Synonym of timbre (“quality of a sound independent of its pitch and volume”) 

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