planning vs scheduling

planning and scheduling both are nouns.

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

As nouns, scheduling is a hyponym of planning; that is, scheduling is a word with a more specific, narrower meaning than planning:

Other hyponyms of planning include birth control, birth prevention, family planning, programing, programming.

planning (noun)	scheduling (noun)
an act of formulating a program for a definite course of action	setting an order and time for planned events
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