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