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A fricative is a consonant sound which is produced by constricting the vocal tract, causing friction as the air passes through it.

There are nine fricative sounds in English. they are:
v sound (as in vote)
f sound (as in face)
- z sound (as in zoo)
- s sound (as in so)
- zh sound (as in vision)
- sh sound (as in she)
h sound (as in he)
- voiced th sound (as in them)
- unvoiced th sound (as in thin)