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