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