conceit vs pridefulness

conceit and pridefulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
conceit	Yes	No	No	No
pridefulness	Yes	No	No	No

As nouns, pridefulness is a hypernym of conceit; that is, pridefulness is a word with a broader meaning than conceit:

Other hypernyms of conceit include pride.

conceit (noun)	pridefulness (noun)
the trait of being unduly vain and conceited; false pride	a feeling of self-respect and personal worth
a witty or ingenious turn of phrase
an artistic device or effect
an elaborate poetic image or a far-fetched comparison of very dissimilar things
feelings of excessive pride