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