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