How to Say "s" in Spanish
The Spanish word for “s” is “s” — A1 level. This is a very common word in everyday Spanish.

Examples
La palabra 'casa' se escribe con 's'.
The word 'casa' is written with an 's'.
Mi nombre empieza con la letra ese.
My name starts with the letter s.
En español, la 's' al final de una palabra suele indicar plural.
In Spanish, an 's' at the end of a word usually indicates the plural form.
Gender of Letters
In Spanish, the names of letters are always feminine. That's why we say 'la ese' (the s), just like we'd say 'la a' or 'la be'.
The Plural 's'
One of the most important jobs of the letter 's' is to make words plural. For example, 'libro' (book) becomes 'libros' (books).
Pronunciation: The 'Buzzing' Sound
Mistake: “Pronouncing the 's' with a 'z' buzz, like in the English words 'rose' or 'is'.”
Correction: The Spanish 's' is almost always a sharp, hissing sound, like the 's' in 'snake' or 'sun'. It never buzzes like a 'z'.
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