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