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