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