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