Find the Synonyms: Duration and Transience Words

adjourn, aeon, anachronism, annals, archaic, asynchronous, chronicle, chronological, coeval, concurrent, continuity, ephemeral, epoch, eternal, evanescent, excursion, fleeting, hiatus, indefinitely, interim, intermission, intermittent, jaunt, junket, makeshift, millennia, millennium, moratorium, nanosecond, nostalgic, palimpsest, perennial, perpetuity, precede, primordial, protracted, quiescent, reprieve, respite, retro, sequel, simultaneous, sojourn, synchronous, temporal, transient, vintage, yesteryear