Latex trent bei mir leider Vanillezucker so: Vanillezu-cker
//Huebi

\documentclass{article}
\usepackage[ngerman]{babel}
\begin{document}
\parbox{2.8cm}{Etwas Vanillezucker}
\end{document}\documentclass[german]{article}
\usepackage[german]{babel}
\begin{document}
\parbox{2.8cm}{Etwas Vanillezu"cker}
\end{document}
%!TEX lualatex
\documentclass{article}
\usepackage[ngerman]{babel}
\babelposthyphenation{ngerman}{ck}{
{ no = c, pre = k- },
{}
}
\begin{document}
\parbox{2.8cm}{Etwas Vanillezucker}
\end{document}\babelposthyphenation{german}
{ [AEIOUÄÖÜaeiouäöü] (```
) ([kK]) [AEIOUÄÖÜaeiouäöü] }{
{}, % Keep first vowel
{ no = {1}, pre = {2}- }, % c or C → discretionary
{}, % Keep k or K
{} % Keep second vowel
}
```\documentclass{article}
\usepackage[ngerman]{babel}
\begin{document}
\parbox{2.8cm}{Etwas Vanille\discretionary{zuk-}{ker}{zucker}}
\end{document}zwei Tütchen Vanillezucker
\qty{2}{\ingutl} Vanillezucker
