/z/as in zoo
You likely pronounce English z exactly like s, since Spanish never requires you to add voicing to that hissing sound — 'zoo' comes out sounding like 'sue', and 's' endings on plurals like 'dogs' or 'roses' lose their…
What you probably do
You likely pronounce English z exactly like s, since Spanish never requires you to add voicing to that hissing sound — 'zoo' comes out sounding like 'sue', and 's' endings on plurals like 'dogs' or 'roses' lose their buzz.
How natives do it
Americans keep the exact same tongue position as for s but turn their voice on the whole time, producing a continuous buzzing hiss instead of a plain one — try humming while hissing to feel the difference.
Why it matters
Because so many English plurals, possessives, and third-person verbs end in a voiced z sound, consistently devoicing it can make your grammar markers harder to catch and adds a noticeably foreign texture to very common words.
Hear the difference
Words this touches
Spanish speakers often substitute /s/.
How the mouth differs
Spanish has no phonemic z; the tongue-groove shape used for s is reused but the vocal folds never engage, so the buzz that should accompany English z is dropped, merging it with s.
Listen for the pattern
Listeners often hear a devoiced, hissy s where a z is expected, which can make plurals, possessives, and verb endings (dogs, is, uses) sound clipped or slightly off, even though meaning is usually still recoverable from context.
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Sources (2)
- Wells, J.C. (1982). Accents of English.
- Hualde, J.I. (2005). The Sounds of Spanish. Cambridge University Press.