Severity
Part of speech: noun
Definition: The state of being severe. The degree of something undesirable; badness.
Example sentence: When death comes it is never our tenderness that we repent from, but our severity.
Austereness
Part of speech: noun
Definition: The state of being austere; harshness or astringent sourness to the taste; acerbity.The state of being austere; severity; strictness; austerity.