Synonyms and related words :
PS, Parthian shot, accession, accessory, accident, accidental, accompaniment, add to, addenda, addendum, additament, addition, additive, additory, additum, adjunct, adjuvant, afterthought, annex, annexation, appanage, appendage, appendant, appendix, appurtenance, appurtenant, attachment, augment, augmentation, auxiliary, back matter, chorus, coda, codicil, collateral, colophon, complement, conclusion, concomitant, consequence, contingency, contingent, continuance, continuation, corollary, double take, dying words, envoi, epilogue, extend, extension, extra, extrapolation, fixture, follow-through, follow-up, fortify, happenstance, incidental, increase, increment, inessential, insert, last words, mere chance, nonessential, not-self, offshoot, other, parting shot, pendant, peroration, postface, postfix, postlude, postscript, recruit, refrain, reinforce, reinforcement, rider, second thought, secondary, sequel, sequela, sequelae, sequelant, sequent, sequitur, side effect, side issue, strengthen, subscript, subsidiary, suffix, superaddition, supplementation, swan song, tag, tailpiece, undergirding, unessential