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