ordering vs succession

ordering and succession both are nouns.

Word	Noun	Adjective	Verb	Adverb
ordering	Yes	No	No	No
succession	Yes	No	No	No

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

Other hyponyms of ordering include rank order, grading, scaling, sequence, layout, alphabetisation, alphabetization.

ordering (noun)	succession (noun)
the act of putting things in a sequential arrangement	the action of following in order
logical or comprehensible arrangement of separate elements	acquisition of property by descent or by will
	a following of one thing after another in time
	a group of people or things arranged or following in order
	(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established