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