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