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