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