words = {'abc', 'gefi', 'klkasdf', '', 'bizarro'}
wc = [2 5 8 0 -17]

n = length(wc);

for i = 1:n
    combined(i).words = words{i}
    combined(i).wc = wc(i)
end

fid = fopen('whatever', 'w');

for i = 1:n
    fprintf(fid, '%g  %s\n', combined(i).wc, combined(i).words);
end

fclose(fid);