addition, advantageous, summation, asset, nonnegative, positive, minus, additional, bonus, extra, more...

minus, subtract, less, without, decrease

plus-minus, plus-or-minus, plus-and-minus, plus-minus-or-plus, more...

big, definite, real, major, good, cost, huge, basic, important, net, non

in addition to,   in combination with,   in additon,   in addtion,   positive point,   slightly more,   something more,   and the,   additional to,   addition of