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