croak - noun

a harsh hoarse utterance (as of a frog)

croak - verb

• pass from physical life and lose all bodily attributes and functions necessary to sustain life
• utter a hoarse sound, like a raven
• make complaining remarks or noises under one's breath

croak - thesaurus

choke   conk   croaking   cronk   decease   die   exit   expire   gnarl   go   grumble   murmur   mutter   pass   perish