order vs succession

order and succession both are nouns.

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

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

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

order (noun)	succession (noun)
the act of putting things in a sequential arrangement	the action of following in order
(architecture) one of original three styles of Greek architecture distinguished by the type of column and entablature used or a style developed from the original three by the Romans	acquisition of property by descent or by will
a degree in a continuum of size or quantity	a following of one thing after another in time
a legally binding command or decision entered on the court record (as if issued by a court or judge)	a group of people or things arranged or following in order
a commercial document used to request someone to supply something in return for payment and providing specifications and quantities	(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
a body of rules followed by an assembly
(often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed
a request for something to be made, supplied, or served
logical or comprehensible arrangement of separate elements
(biology) taxonomic group containing one or more families
a formal association of people with similar interests
a group of person living under a religious rule
established customary state (especially of society)
a condition of regular or proper arrangement

order (verb)	succession (verb)
bring order to or into
place in a certain order
assign a rank or rating to
arrange thoughts, ideas, temporal events
make a request for something
give instructions to or direct somebody to do something with authority
issue commands or orders for
bring into conformity with rules or principles or usage; impose regulations
appoint to a clerical posts