\begin{tikzpicture}[>=stealth', line width=.2em]
  \node (weak) at (0,0) {
    \begin{minipage}{8em}
      {\large\bf Class Weak}\vspace{0.5em}
      \small
      \begin{itemize}
      \item long prefix {\it n(e)d-}
      \item typical of \emph{weak} vowel initial stems: /ǒ,ə/
      \end{itemize}
    \end{minipage}
  };

  \node (strong) at (10,0) {
    \begin{minipage}{8em}
      {\large\bf Class Strong}\vspace{0.5em}
      \small
      \begin{itemize}
      \item short prefix {\it n-}
      \item (historically) typical of \emph{strong} vowel initial
        stems: /a,e,i,o/
      \end{itemize}
    \end{minipage}
  };

  \node (inherent) at (20,0) {
    \begin{minipage}{8em}
      {\large\bf Class inherent}\vspace{0.5em}
      \small
      \begin{itemize}
      \item no suffix {\it -m}
      \item typical of inalienable possession
      \end{itemize}
    \end{minipage}
  };

  \node (sentient) at (30,0) {
    \begin{minipage}{8em}
      {\large\bf Class Sentient}\vspace{0.5em}
      \small
      \begin{itemize}
      \item requires suffix {\it -m}
      \item typical of possessed nouns for humans, animals and animate
        plants
      \end{itemize}
    \end{minipage}
  };
  
  \node (chief) at (0,-20) {
    \begin{minipage}{15em}
      {\large\bf Class Chief}\vspace{0.5em}
      \begin{table}
        \centering
        \begin{tabular}{lll}
          \rnum & \af{nd}okma\af{m} & `my chief' \\
        \end{tabular}
        \caption{A suffix {\it -m} is required as is a long
          prefix. Here the initial \emph{o} is /ǒ/. These are not
          overabundant.}
      \end{table}
    \end{minipage}
  };

  \node[fill=white!90] (inalienable) at (25,-20) {
    \begin{minipage}{15em}
      {\large{\bf Class Inalienable:} typical inalienable possession}\vspace{0.5em}
      \begin{table}
        \centering
        \begin{tabular}{lll}
          \rnum & \af{n}bemdakey & `my collarbone' \\
          \rnum & \af{n}os & `my father' \\
          \rnum & \af{n}medné & `my blanket' \\
        \end{tabular}
        \caption{A suffix {\it -m} \emph{never} appears and the prefix
          is \emph{always} in the short form. Not overabundant.}
      \end{table}
    \end{minipage}
  };
  
  \node (bobcat) at (5,-40) {
    \begin{minipage}{15em}
      {\large{\bf Class Bobcat:} inflects like `bobcat'}\vspace{0.5em}
      \begin{table}
        \centering
        \begin{tabular}{lll}
          \rnum & \af{n}bezhow\af{em} & `my bobcat' \\
          \rnum & \af{nde}bzhow\af{em} & `my bobcat' \\
        \end{tabular}
        \caption{A suffix {\it -m} is required but it inflects like
          both \emph{weak} and \emph{strong} classes.}
      \end{table}
    \end{minipage}
  };

  \node (flag) at (20,-40) {
    \begin{minipage}{15em}
      {\large{\bf Class Flag:} inflects like `flag'}\vspace{0.5em}
      \begin{table}
        \centering
        \begin{tabular}{lll}
          \rnum & \af{nd}ekwé'wen & `my flag' \\
          \rnum & \af{nd}ekwé'wen\af{em} & `my flag' \\
        \end{tabular}
        \caption{The free stem for this is {\it kewé'wen}, because the
          first {\it e} was not deleted due to the rules of syncope,
          there should be an underlying initial weak vowel /ə/. The
          prefix must be long but the suffix is optional.}
      \end{table}
    \end{minipage}
  };

  \node (general) at (10,-60) {
    \begin{minipage}{15em}
      {\large{\bf Class General:} ``$\text{inalienable}\times\textsc{flag}$''}\vspace{0.5em}
      \begin{table}
        \centering
        \begin{tabular}{lll}
          \rnum & \af{n}mowej & `my feces' \\
          \rnum & \af{nde}mowj\af{em} & `my feces' \\
          \rnum & \af{n}jiman & `my canoe' \\
          \rnum & \af{nde}jiman & `my canoe' \\
          \rnum & \af{n}dekobjegen & `my string' \\
          \rnum & \af{n}dekobjegn\af{em} & `my string' \\
        \end{tabular}
        \caption{Four forms should be possible here for each but due
          to data sparsity, it is difficult to find a single lexeme
          that has been attested for all forms.}
      \end{table}
    \end{minipage}
  };

  \draw[->] (general) to (inalienable);
  \draw[->] (general) to (flag);
  \draw[->] (inalienable) to (inherent);
  \draw[->] (inalienable) to (strong);
  \draw[->] (flag) to (chief);
  \draw[->] (flag.north) to (inherent.southwest);
  \draw[->] (chief.north) to (sentient);
  \draw[->] (chief.north) to (weak);
  \draw[->] (bobcat.north) to (sentient);
  \draw[->] (bobcat.north) to (strong);
\end{tikzpicture}

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