clannishness vs exclusiveness

clannishness and exclusiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
clannishness	Yes	No	No	No
exclusiveness	Yes	No	No	No

As nouns, clannishness and exclusiveness are synonyms defined as:

clannishness and exclusiveness: tendency to associate with only a select group

Other synonyms of clannishness include cliquishness.

clannishness (noun)	exclusiveness (noun)
tendency to associate with only a select group	tendency to associate with only a select group