Fricative and Sibilant

Fricative adjective - Of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then').

Sibilant is a synonym for fricative in sound unit of speech topic. In some cases you can use "Sibilant" instead the word "Fricative" as an adjective or a noun.

Sibilant adjective - Of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then').

Fricative is a synonym for sibilant in sound unit of speech topic. You can use "Fricative" instead the word "Sibilant" as a noun or an adjective.