PS, Parthian shot, accession, accessory, accompaniment, addenda, addendum, additament, addition, additive, additory, additum, adjournal, adjournment, adjunct, adjuvant, afterthought, annex, annexation, appanage, appendage, appendant, appendix, appurtenance, appurtenant, attachment, augment, augmentation, back matter, chorus, coda, codicil, colophon, coming after, complement, conclusion, concomitant, consecution, consecutiveness, consequence, continualness, continuance, continuity, corollary, deferment, deferral, descent, double take, duration, dying words, endurance, envoi, epilogue, extension, extension of time, extrapolation, fixture, follow-through, follow-up, following, increase, increment, last words, lengthening, line, lineage, lingering, logical sequence, maintenance, offshoot, order, order of succession, parting shot, pendant, peroration, perpetuation, perseverance, persistence, posteriority, postface, postfix, postlude, postponement, postposition, postscript, procession, procrastination, progress, progression, prolongation, prorogation, protraction, pursuance, putting-off, refrain, reinforcement, repetition, rotation, run, second thought, sequel, sequela, sequelae, sequelant, sequence, sequent, sequitur, series, side effect, side issue, staying power, straight course, subjunction, subscript, succession, successiveness, suffix, suffixation, supplement, sustained action, sustenance, swan song, tabling, tag, tailpiece, undergirding, uninterrupted course, unremittingness, way