fricative vs strident

fricative

noun
  • Any of several sounds produced by air flowing through a constriction in the oral cavity and typically producing a sibilant, hissing, or buzzing quality; a fricative consonant. 

adj
  • produced by air flowing through a restriction in the oral cavity. 

strident

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

adj
  • Grating or obnoxious 

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

  • Vigorous; making strides 

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