depreciation vs self-importance

depreciation and self-importance both are nouns.

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

depreciation (noun)	self-importance (noun)
a decrease in price or value	an exaggerated opinion of your own importance
a communication that belittles somebody or something	an inflated feeling of pride in your superiority to others
decrease in value of an asset due to obsolescence or use