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