cock-a-hoop vs self-aggrandising

cock-a-hoop and self-aggrandising both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cock-a-hoop	No	Yes	No	No
self-aggrandising	No	Yes	No	No

As adjectives, cock-a-hoop and self-aggrandising are synonyms defined as:

Other synonyms of cock-a-hoop include big, boastful, braggart, bragging, braggy, crowing, self-aggrandizing.

cock-a-hoop (adjective)	self-aggrandising (adjective)
exhibiting self-importance	of or relating to or characteristic of self-aggrandizement
	exhibiting self-importance