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