foulness vs wickedness

foulness and wickedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
foulness	Yes	No	No	No
wickedness	Yes	No	No	No

As nouns, wickedness is a hypernym of foulness; that is, wickedness is a word with a broader meaning than foulness:

Other hypernyms of foulness include dark, darkness.

foulness (noun)	wickedness (noun)
the attribute of having a strong offensive smell	morally objectionable behavior
(of weather) the badness of the weather	the quality of being wicked
a state characterized by foul or disgusting dirt and refuse	estrangement from god
disgusting wickedness and immorality	the quality of being disgusting to the senses or emotions
	absence of moral or spiritual values