\documentclass{article}
\begin{document}
\begin{tabular}{r l}
\textbf{Given starting vocabulary}&\\
\textbf{English}&\textbf{Spanish}\\
\hline
tooth & diente \\
joy & alegria \\
tree & arbol \\
electricity & electricidad \\
table & tabla \\
money & dinero \\
sound & sonido \\
music & musica \\
\hline
\textbf{Unknown-permutation vocabulary} \\
plant & bailar \\
car & hablar \\
dance & amigo \\
speak & coche \\
friend & planta \\
\end{tabular}
%\end{table}
\end{document}