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