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Answer:
Know-Unknown-Knowable-Knowledgeable.
Explanation:
A word root is a word that serves as the basis to form other words by adding prefixes or suffixes. The word root from the options given is known and with suffixes and prefixes, there is a variety of meanings that the word can cover.
I hope this answer helps you.
The words share the same word root are;
- Know
- Unknown
- Knowable
- Knowledgeable.
What are root words?
Root words can be regarded as the base words which can be verb that prefix or suffices can be attached to, in order to form a new words.
The root word up there is Know, then some prefix was added to form new words.
Learn more on Root words at;
https://brainly.com/question/25567167