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