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