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