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