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