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