Severity, harshness.

Sometimes with some implication of cruelty or severity; cf. phrases. The strict terms, application, or enforcement of some law, rule, etc…

Severity, rigour, stringency (of laws, enactments, obligation, judgement, discipline, etc.).

Of laws, rules, observances: Strictness, rigour. Obsolete.

Harshness of judgement, criticism, or rebuke. Also plural, severe rebukes or criticisms.