Here are some possibilities:
* Cynical: This word describes someone who believes that people are motivated by selfishness and that nothing is truly good or honest.
* Cycle: This word refers to a series of events that repeat themselves.
* Oracle: This word refers to a person or thing believed to be able to predict the future.
Could you please provide more context about where you encountered the word "cynacle"? This might help determine what the intended word was.