fricatives

/F R IH1 K AH0 T IH0 V Z/
noun
  1. 1

    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.

Synonyms

Source: https://en.wiktionary.org/wiki/fricative, https://en.wiktionary.org/wiki/fricatives