PS, Parthian shot, addendum, affix, afterthought, allonge, appendix, attested copy, back matter, bequeathal, bequest, chorus, coda, colophon, commentary, conclusion, consequence, continuance, continuation, devise, double take, dying words, enclitic, envoi, epilogue, follow-through, follow-up, infix, inheritance, interlineation, interpolation, last words, legacy, marginalia, note, parting shot, peroration, postface, postfix, postlude, postscript, prefix, probate, proclitic, refrain, rider, scholia, second thought, sequel, sequela, sequelae, sequelant, sequent, sequitur, subscript, suffix, supplement, swan song, tag, tail, testament, will