conciseness vs succinctness

conciseness and succinctness both are nouns.

Word	Noun	Adjective	Verb	Adverb
conciseness	Yes	No	No	No
succinctness	Yes	No	No	No

As nouns, conciseness and succinctness are synonyms defined as:

conciseness and succinctness: terseness and economy in writing and speaking achieved by expressing a great deal in just a few words

Other synonyms of conciseness include concision, pithiness.

conciseness (noun)	succinctness (noun)
terseness and economy in writing and speaking achieved by expressing a great deal in just a few words	terseness and economy in writing and speaking achieved by expressing a great deal in just a few words