croak vs abort

croak and abort both are nouns.

Word	Noun	Adjective	Verb	Adverb
croak	Yes	No	Yes	No
abort	Yes	No	Yes	No

As verbs, abort is a hyponym of croak; that is, abort is a word with a more specific, narrower meaning than croak:

croak: pass from physical life and lose all bodily attributes and functions necessary to sustain life
abort: cease development, die, and be aborted

Other hyponyms of croak include asphyxiate, stifle, suffocate, buy it, pip out, drown, predecease, famish, starve, fall, succumb, yield.

croak (noun)	abort (noun)
a harsh hoarse utterance (as of a frog)	the act of terminating a project or procedure before it is completed

croak (verb)	abort (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	terminate a pregnancy by undergoing an abortion
make complaining remarks or noises under one's breath	cease development, die, and be aborted
utter a hoarse sound, like a raven	terminate before completion