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