When the letter 's' is after a vowel, another 's', or a voiced consonant, it is pronounced as a /z/ sound. e.g., logs, tubes, beds, moves, clothes, was, becomes, he's, passes.

Can s sound like Z?

If the last letter of the words ends in a voiced consonant (or sound), then the S is pronounced like a Z /z/(without creating another syllable). This Z sound is similar to the sound a bee makes zzzz. We also use this ending when the word ends in a vowel sound (e.g. bees, flies etc.)

When S sounds like Z at the end of words?

1. The -s plural ending is pronounced like /z/ after voiced sounds. This means that if the ending of the noun is voiced - if you can feel your larynx vibrate at the end of the noun you pronounce - it has the /z/ sound. Some examples are: dads, moms, boys, girls, rooms, dogs, schools, days, years, lives.