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