Portuguese (Brazil) · Pronunciation Guide
oo kah-ZAH-koo. The s buzzes as a z, and the final o comes out as "oo."
The middle syllable is the loud beat, by the -o default. The word has a pleasing symmetry: identical hard-k syllables at both ends with the buzzing s in the middle, which makes it easy to hear whether that voicing is happening or not.
Listen: o casaco
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Leve um casaco, está frio.
Take a coat, it's cold.
Listen: Leve um casaco, está frio.
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
"Leve um casaco, está frio" uses a formal imperative and would clip "está" to "tá." "Leve" ends in a raised e and "frio" is two syllables with a stressed i, so the sentence moves through three quite different vowel structures.
Devoicing the s gives "kah-SAH-koo," the reading error, and leaving the final o unraised is the second. Learners also confuse "casaco" with "jaqueta": the first is a coat and the second is a jacket, and Brazilians keep them reasonably distinct.