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