rigour

It was also, probably, designed as a protest against the rigour of the Novatians in refusing reconciliation to penitent apostates.

The increasing rigour of our prison discipline rendered our lives one unvaried scene.

Great attention was paid to morality, and offences were punished with extreme rigour, even with death itself.

That a due rigour and restraint be laid upon the second, that villainy and knavery might not be encouraged by a law.

The "rigour and vigour" with which Paul's use of these terms is investigated seems to me largely misplaced.