Synonyms and related words :
Trinkgeld, balance, bonus, bonus system, bounty, bribe, consideration, decoration, dividend, donative, double time, extra, extra added attraction, extra dash, fee, filigree, filling, fillip, flourish, frill, fringe benefit, gratuity, gravy, grease, honorarium, incentive pay, inducement, largess, leftover, liberality, margin, ornament, overage, overmeasure, overplus, overrun, overset, overstock, oversupply, overtime pay, padding, palm, palm oil, perks, perquisite, perquisites, plus, pourboire, premium, remainder, salve, solatium, something extra, spare, sportula, stuffing, superaddition, surplus, surplusage, sweetener, tip, trimming, twist, wrinkle