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