Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "jus":
   act, bill, bylaw, canon, decree, dictate, dictation, edict,
   enactment, form, formality, formula, formulary, institution, law,
   legislation, lex, measure, ordinance, ordonnance, prescript,
   prescription, regulation, rubric, rule, ruling, standing order,
   statute