Plural Forms of Nouns

• If a noun ends in a vowel, simply add -s.
• If a noun ends in a consonant, simply add -es.
• If a noun ends in a -z, change the z to c before adding -es.
• If a noun ends in ión, drop the written accent before adding -es.
• If the plural refers to a mixed group, use the masculine.
• For compound nouns, change "el" to "los".