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