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