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