exclusiveness vs cliquishness

exclusiveness and cliquishness both are nouns.

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

As nouns, exclusiveness and cliquishness are synonyms defined as:

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

Other synonyms of exclusiveness include clannishness.

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