What is the adverb for disorient?
I've already tried
-disoriently
-disorientedly
-disorientingly
-disorientatedly
not real words.
The second one in your list is correct.
The adverb form of "disorient" is actually "disorientingly." It may not be a commonly used word, which could explain why it might not be recognized as a correct word in some dictionaries or grammar checkers. However, it is formed by adding the suffix "-ly" to the adjective form of "disorienting."
To determine the adverb form of a word, you can often add the suffix "-ly" to its adjective form. However, not all adverbs are formed in this way, so it's always a good idea to consult a reliable dictionary or grammar resource if you're unsure.