Mark of Cain and Sinfulness

Mark of Cain noun - The mark that God set upon Cain now refers to a person's sinful nature.

Sinfulness and mark of Cain are semantically related. In some cases you can use "Sinfulness" instead a noun phrase "Mark of Cain".

Sinfulness noun - The state or quality of being utterly evil.

Mark of Cain and sinfulness are semantically related. Sometimes you can replace phrase "Mark of Cain" with "Sinfulness", this terms are similar.