successiveness vs succession

successiveness and succession both are nouns.

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

As nouns, successiveness and succession are synonyms defined as:

successiveness and succession: a following of one thing after another in time

Other synonyms of successiveness include chronological sequence, chronological succession, sequence.

successiveness (noun)	succession (noun)
a following of one thing after another in time	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