clannishly vs clannish

clannishly is not an adjective while clannish is an adjective.

Word	Noun	Adjective	Verb	Adverb
clannishly	No	No	No	Yes
clannish	No	Yes	No	No

clannishly (adjective)	clannish (adjective)
	characteristic of a clan especially in being unified
	befitting or characteristic of those who incline to social exclusiveness and who rebuff the advances of people considered inferior

clannishly (adverb)	clannish (adverb)
in a clannish manner