\begin{matrix}
\text{kappa} & \kappa \\
\text{kappav} & k \\
\text{kcedil} & k \\
\text{Kcedil} & K \\
\text{kcy} & k \\
\text{Kcy} & K \\
\text{kfr} & \mathfrak{k} \\
\text{Kfr} & \mathfrak{K} \\
\text{kgreen} & k \\
\text{khcy} & kh \\
\text{KHcy} & Kh \\
\text{kjcy} & kj \\
\text{KJcy} & Kj \\
\text{kopf} & \Bbbk \\
\text{Kopf} & \mathbb{K} \\
\text{kscr} & \mathcal{k} \\
\text{Kscr} & \mathcal{K} \\
\end{matrix}
