clannishness vs cliquishness

clannishness and cliquishness both are nouns.

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

As nouns, clannishness and cliquishness are synonyms defined as:

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

Other synonyms of clannishness include exclusiveness.

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