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