List of additive synonyms and additive related words.
accession, accessory, accompaniment, accumulative, addenda, addendum, additament, addition, additional, additory, additum, adjunct, adjuvant, annex, annexation, appanage, appendage, appendant, appurtenance, appurtenant, attachment, augment, augmentation, chain, coda, complement, component, concomitant, constituent, continuation, corollary, cumulative, elemental, extension, extrapolation, fixture, increase, increment, offshoot, pendant, reinforcement, side effect, side issue, summational, summative, supplement, tailpiece, undergirding