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