self-importance vs pride

self-importance and pride both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-importance	Yes	No	No	No
pride	Yes	No	Yes	No

As nouns, pride is a hypernym of self-importance; that is, pride is a word with a broader meaning than self-importance:

Other hypernyms of self-importance include pridefulness.

self-importance (noun)	pride (noun)
an exaggerated opinion of your own importance	unreasonable and inordinate self-esteem (personified as one of the deadly sins)
an inflated feeling of pride in your superiority to others	the trait of being spurred on by a dislike of falling below your standards
	a feeling of self-respect and personal worth
	satisfaction with your (or another's) achievements
	a group of lions

self-importance (verb)	pride (verb)
	be proud of