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