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