Singular - Plural in Spanish | How to form Singular or Plural

How to Form Singular or Plural in Spanish ? 1. If the word ends with a vowel then add 's' at the end to make it plural. Example- chico = chicos 2. If the word ends with a consonant then add 'es' at the end to make it plural. Example- hotel-hoteles 3. To make a word singular remove the 's' or 'es' from the end following the given rules