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