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