decease vs croak

decease and croak both are nouns.

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

As verbs, decease and croak are synonyms defined as:

decease and croak: pass from physical life and lose all bodily attributes and functions necessary to sustain life

decease (noun)	croak (noun)
the event of dying or departure from life	a harsh hoarse utterance (as of a frog)

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