There has been quite a variety of spellings during the last 800 years. In the 12th and 13th century only very few were literate, mostly monks. When the name was recorded it was done by ear and depending on the monk it could vary quite a bit.
Czuckhswer, Tucheswerd, Tuchezwerd, Tuckeswert, Tuckezwerd, Tkkeswert, Zuchswert, Zuchkswert, Zukswert, Zuckswert, Zuckschwert, Zuckschwerdt, Zckhschwerdt, Zvkhswer, Zugswert, Zugschwert, Zugschwerdt