Most nouns ending in -o add -es to form the plural (with some exceptions like photo/photos).
Vertigo is regular. It follows the -es Addition rule.
Use plural verbs: "The vertigoes are ready" (not "is ready").
Yes. The plural vertigoes is standard across all English variants.
The word vertigo follows the standard English pluralization rule. When forming the plural, vertigo becomes vertigoes. This follows the -es Addition pattern, which is one of the most common plural rules in English.
Understanding why vertigo becomes vertigoes helps with spelling and pronunciation. Most nouns ending in -o add -es to form the plural (with some exceptions like photo/photos).
When using vertigoes in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The vertigoes are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.