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