Nouns ending in -a (often Latin or scientific) add -e to form the plural.
Arizona is regular. It follows the -ae Addition rule.
Use plural verbs: "The arizonae are ready" (not "is ready").
Yes. The plural arizonae is standard across all English variants.
The word arizona follows the standard English pluralization rule. When forming the plural, arizona becomes arizonae. This follows the -ae Addition pattern, which is one of the most common plural rules in English.
Understanding why arizona becomes arizonae helps with spelling and pronunciation. Nouns ending in -a (often Latin or scientific) add -e to form the plural.
When using arizonae in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The arizonae are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.