cliquishness vs exclusiveness

cliquishness and exclusiveness both are nouns.

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

As nouns, cliquishness and exclusiveness are synonyms defined as:

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

Other synonyms of cliquishness include clannishness.

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