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

Examples
Mi hijo invitó a su amiguito de la escuela a la fiesta.
My son invited his little friend from school to the party.
¡Hola, amiguito! ¿Quieres un helado?
Hello, little buddy! Do you want an ice cream?
Ese perrito es mi amiguito fiel; siempre me sigue.
That little dog is my faithful little friend; it always follows me.
The Diminutive -ito
The ending -ito doesn't always mean 'small.' When added to amigo, it primarily shows affection, warmth, or tenderness, making it a term of endearment.
Using the Wrong Gender
Mistake: “Mi amiguito se llama Ana.”
Correction: If the friend is female, you must use the feminine diminutive: *Mi amiguita se llama Ana*.
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