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