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