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