what is the plural form for un diario

Answer 1

1. when a word ends in a vowel add "s" at the end Example:mesa- mesas

2.When a word ends in "z", drop the z and add "ces" Example:lapiz-lapices

3.when a word ends in a consonant besides "z" add "es" Example: corazon (heart)-corazones

vowels and consonants are the same like in the english language, a e i o u are vowes

Answer 2

in other words un diario = unos diarios

Sra