loftiness vs richness

loftiness and richness both are nouns.

Word	Noun	Adjective	Verb	Adverb
loftiness	Yes	No	No	No
richness	Yes	No	No	No

As nouns, richness is a hypernym of loftiness; that is, richness is a word with a broader meaning than loftiness:

Other hypernyms of loftiness include grandness, impressiveness, magnificence.

loftiness (noun)	richness (noun)
the quality of being high or lofty	a strong deep vividness of hue
impressiveness in scale or proportion	the property of a sensation that is rich and pleasing
	the property of producing abundantly and sustaining vigorous and luxuriant growth
	the property of being extremely abundant
	splendid or imposing in size or appearance
	the quality of having high intrinsic value
	abundant wealth