Abandon: To give up or disown. Cede: Give over; surrender or relinquish to the physical control of another. Disavow: Refuse to acknowledge; disclaim knowledge of; responsibility for, or association with. Forsake: Abandon, turn one's back on. Renounce: Give up, such as power, as of monarchs and emperors, or duties and obligations. Resign: To give up responsibility. Surrender: Relinquish possession of something or control over something.
Group 2: Words that involve or signify denial/reversal
If the first cluster in this article involved giving up something, the second one is all about denial, refusal and saying no. Some words that can be used to convey this idea are as follows: Rebuff: Reject outright and bluntly. Refute: Prove to be false or incorrect. Controvert: Deny the truth of (something). Invalidate: Show to be invalid. Negate: Deny the truth of. Rebut: To deny; to negate. Refute: To deny; to disprove.
The two clusters above showcase how the method of cluster formation can be used for expanding your word-power. Use this method and your vocabulary database will surely grow exponentially.