documentclass{article}

usepackage[table]{xcolor}
usepackage{datatool}

begin{filecontents*}{data.csv}
word
first
second
third
fourth
end{filecontents*}

DTLloaddb{rows}{data.csv}

begin{document}

begin{tabular}{c}
hline
rowcolor{orange}
DTLforeach*{rows}{position=word}{
    position%
    DTLiflastrow{}{\DTLifoddrow{rowcolor{gray}}{rowcolor{orange}}}%
    }
\ hline

end{tabular}

end{document}