Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
Secondary is regular. It follows the -ies Conversion rule.
Use plural verbs: "The secondaries are ready" (not "is ready").
Yes. The plural secondaries is standard across all English variants.
The word secondary follows the standard English pluralization rule. When forming the plural, secondary becomes secondaries. This follows the -ies Conversion pattern, which is one of the most common plural rules in English.
Understanding why secondary becomes secondaries helps with spelling and pronunciation. Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
When using secondaries in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The secondaries are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.