succeed vs succession

succeed is not a noun while succession is a noun.

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

succeed (noun)	succession (noun)
	the action of following in order
	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

succeed (verb)	succession (verb)
attain success or reach a desired goal
be the successor (of)