\documentclass{minimal}
\newcommand\mygls\gls

\begin{document}

\cmdnormal[opt]{normal}
\footnote{bolded text}
\cmda[opt]{concealed command}
\cmdb[opt]{concealed command and opts}

$\mathcmdnormal{normal math}$
$\mathcmda{bold and concealed}$
$\mathcmdb{concealed}$
$\R -> ℝ$
$\E -> 𝔼$
$\P -> ℙ$
$\mathnote{$Math$ + text}$
$\mathnoteC{$Math$ + text concealed}$
$\text{$Math$ + text reference}$

\undline{underlined}

\gls{spellingerror}
\mygls{spellingerror}{spellingerror}
\slurp{spellingerror}{spellingerror}{spellingerror}

% regex cmd name
\Ac*{arg}
\iacsp{arg}

\end{document}