wickedness vs iniquity

wickedness and iniquity both are nouns.

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

As nouns, wickedness and iniquity are synonyms defined as:

Other synonyms of wickedness include evil, immorality.

wickedness (noun)	iniquity (noun)
morally objectionable behavior	morally objectionable behavior
the quality of being wicked	an unjust act
estrangement from god
the quality of being disgusting to the senses or emotions
absence of moral or spiritual values