Trust me, it pains the hell out of me too, but I worry 'tenant' [for 'tenet'] has become common enough to be 'just about correct'. I see it ubiquitously on here

Trust me, it pains the hell out of me too, but I worry 'tenant' [for 'tenet'] has become common enough to be 'just about correct'. I see it ubiquitously on here, and the spelling standards are considerably higher here than most anywhere else.