Board Thread:Theories and Speculation/@comment-45345143-20200330202500/@comment-32685487-20200331013645

It similar, not the same thing. Momoshiki's spirit is tied to his consciousness, same thing was shown for Orochimaru and others. The spirit seems to retain the chakra which is shown with Dan and Obito. So it is similar to being a Jinchuriki but it isn't the same thing.