Is there a general rule for the prefixation of “un-” and “de-” to words?

Given the different questions we have seen about the prefixes “de-” and “un-“, I have grown curious if there is a overarching rule for terms that need undoing. “Unselect” or “Deselect”? “Unregister” vs “Deregister” For actions taken that need to be revoked or reversed, which prefix is preferred? Is there a distinction created by the … Read more