Synonyms and related words :
accessory, accompanying, additional, adjuvant, another, appurtenant, assistant, assisting, attendant, attending, auxiliary, coincident, collateral, contributory, extra, farther, fostering, fresh, further, helping, incident, instrumental, ministerial, ministering, ministrant, more, new, nurtural, nutricial, other, plus, satellite, serving, spare, subservient, subsidiary, supernumerary, supplemental, supplementary, surplus, ulterior