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