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