strident vs thundering

strident

adj
  • Loud; shrill, piercing, high-pitched; rough-sounding 

  • Grating or obnoxious 

  • Vigorous; making strides 

noun
  • One of a class of s-like fricatives produced by an airstream directed at the upper teeth. 

thundering

adj
  • Producing a noise or effect like thunder; thunderous. 

  • Of, pertaining to, or accompanied by thunder. 

  • Very great; extraordinary. 

noun
  • A loud percussive sound, like thunder. 

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