crash - rear-ender, accident, derailment, collision, smash-up, road traffic accident, wreck, pileup, noise, racket, report, din, clatter, thud, clunk, clangor, detonation, smack, clang, crack, bang, bump, smash, explosion, collapse

over - above, elapsed, aloft, past, excessive, in the sky, ended, clear, higher than, through, throughout, roofing, in the clouds, among the stars, accomplished, across, upwards-of, just over, atop, another time, beyond, done, finished, higher, superior