The answer is always yes (in theory), unless the question is actually asking for historical examples for the particular X.
I'm not sure what the best generic dupe would be though. Perhaps an answer can look through the rather numerous impeachment questions and pick the best one for this purpose...
A quick search found Can the POTUS be impeached for gross incompetence? as a potential generic dupe.
Questions about what is and what isn't impeachable keep coming up...