Though the word "Sucht" may imply that it derives from "suchen", it does not [1][2][3], making the translation "süchtig" into "seeking" just plain wrong, even loosley.

süchtig = addicted, hooked seeking = suchend

[1] https://de.wiktionary.org/wiki/Sucht [2] https://de.wiktionary.org/wiki/suchen [3] https://michelmasters.wordpress.com/category/etymologie-und-...