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