Synonyms for Perish (same or very similar meaning)
WordNet sense 1 (pass from physical life and lose all bodily attributes and functions necessary to sustain life):
choke, conk, croak, decease, die, exit, expire, go, pass, pass away, pop off, buy the farm, cash in one's chips, give-up the ghost, kick the bucket, snuff it
From the ODE community, based on WordNet
add/edit