addition Synonyms - page 3

surcharge supplementation supplementary trover upgrowth vermiform addend annexe add-in figurer procural obtention step-up buildup widening waxing supplemental irrespectively besides amplification ampliation ampersand amendment algebra aggregation aggrandizement afterthought affixture another apostil appending augmenter attributive arithmetic appurtenance apposition appendicle appendant appendance append affix affixing added acquisition acquirement accumulation accrument accruing accretive accompaniment