planning vs cerebration

planning and cerebration both are nouns.

Word	Noun	Adjective	Verb	Adverb
planning	Yes	No	No	No
cerebration	Yes	No	No	No

As nouns, cerebration is a hypernym of planning; that is, cerebration is a word with a broader meaning than planning:

planning: the cognitive process of thinking about what you will do in the event of something happening
cerebration: the process of using your mind to consider something carefully

Other hypernyms of planning include intellection, mentation, thinking, thought, thought process.

planning (noun)	cerebration (noun)
an act of formulating a program for a definite course of action	the process of using your mind to consider something carefully
the act or process of drawing up plans or layouts for some project or enterprise
the cognitive process of thinking about what you will do in the event of something happening