Synonyms and related words :
babbling, badge, banner, betrayal, blabbering, blabbing, character, characteristic, communication leak, dead giveaway, device, differentia, divulgation, divulgement, divulgence, divulging, earmark, evulgation, giveaway, hallmark, idiosyncrasy, image, index, indicant, indicator, indiscretion, insignia, keynote, leak, letting out, mark, measure, note, obvious clue, peculiarity, picture, property, representation, representative, seal, sigil, sign, signal, signature, stamp, sure sign, symptom, telltale, trait, unwitting disclosure|