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