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