Further or added:
— Called for additional troops.

synoniem: extra.

Roget 35: increased etc. v.; on the increase, undiminished; additional etc. (added) 37.   

Roget 37: added etc. v.; additional; supplemental, supplementary; suppletory^†, subjunctive; adjectitious^†, adscititious^†, ascititious^†; additive, extra, accessory.    ... meer laten zien

Roget 39: additional etc. 37.    alate^†, alated^†; winged.   

Pools: dodatkowy, uboczny