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