Yes, the plural of knowledge is actually just "knowledge". Unlike many other words in the English language, "knowledge" does not change when it is pluralized. In fact, there are quite a few words that behave this way - they are known as "uncountable nouns" or "mass nouns."
This means that we can't say "knowledges" or "a knowledges" - it just doesn't make sense grammatically. Instead, we use phrases like "pieces of knowledge" or "bits of knowledge" to convey the idea of multiple items or forms of knowledge.
It's important to remember that not all nouns pluralize in the same way - some take an "s", some take an "es", some change their spelling entirely, and some, like "knowledge," don't change at all. Understanding the rules and exceptions of pluralization can take time, but it's helpful to have a solid grasp of them in order to communicate clearly and effectively.
I hope this answers your question!
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