croak

nouns

a harsh hoarse utterance (as of a frog)
croak, croaking
is derived from
croaky

verbs

pass from physical life and lose all bodily attributes and functions necessary to sustain life
"She died from cancer"; "The children perished in the fire"; "The patient went peacefully"; "The old guy kicked the bucket at the age of 102"
buy the farm, cash in one's chips, choke, conk, croak, decease, die, drop dead, exit, expire, give-up the ghost, go, kick the bucket, pass, pass away, perish, pop off, snuff it
utter a hoarse sound, like a raven
croak, cronk
is derived from
croaker
is derived from
croaking
make complaining remarks or noises under one's breath
"she grumbles when she feels overworked"
croak, gnarl, grumble, murmur, mutter