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