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