Practical Phonetics

Practice the voiceless S sound by saying these words:

Now, let's practice the voiced Z sound. Remember, your vocal cords should vibrate when you make this sound because it is a voiced sound.

The -s/es ending of nouns and verbs
After a voiceless consonant: [s]
After a voiced consonant or vowel: [z]
After the letters s, z, x, ch, tch, ge, dge, sh: [iz]

The -ed ending of verbs
After a voiceless consonant: [t]
After a voiced consonant or vowel: [d]
After the letters t, d: [id]