Many of them are very similar and overlap in their approach but they are mutually inconsistent in their orthography, phonology, and vocabulary.
Reference is also made to previously existing and parallel Germanic zonal auxiliary languages.
The first known active and concise effort[citation needed] to unite the Germanic languages is Tutonish.
The orthography, while straightforward, was not related to any of the existing natural Germanic languages.
However, despite its shortcomings, Molee established Four Principles[further explanation needed] that provided a framework for future works.