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