once
numeralCEFR A1High frequency
What does “once” mean in English?
eleven
Example sentences
Tengo once años.
I'm eleven years old.
Son las once de la noche.
It's eleven at night.
Compré once libros.
I bought eleven books.
How to use it
Once means 'eleven'. Invariable; first of the irregular teen forms (once, doce, trece, catorce, quince) before the dieci- pattern starts at 16.
Common mistake
Pronounce once with two syllables: ON-se. Don't confuse it with English 'once' (a single time).