The spelling of "repentancing" appears to be incorrect, as the correct form of the verb is "repenting." The pronunciation of "repenting" is /rɪˈpɛntɪŋ/, with the stress on the second syllable and the final "-ing" pronounced with a nasal sound. The word means to feel remorse or regret for one's actions, typically related to wrongdoing or sin. It is often used in a religious context, such as asking for forgiveness from God.