decease vs cash in one's chips

decease is a noun but cash in one's chips is not a noun.

Word	Noun	Adjective	Verb	Adverb
decease	Yes	No	Yes	No
cash in one's chips	No	No	Yes	No

As verbs, decease and cash in one's chips are synonyms defined as:

decease and cash in one's chips: pass from physical life and lose all bodily attributes and functions necessary to sustain life

decease (noun)	cash in one's chips (noun)
the event of dying or departure from life

decease (verb)	cash in one's chips (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