apologetic, apologetics, apology, argument, argumentation, bicker, bickering, casuistry, clarification, contention, controversy, defense, disputation, dispute, elucidation, explanation, flyting, hassle, hubbub, interpretation, justification, litigation, logomachy, paper war, passage of arms, polemic, polemics, rhubarb, set-to, verbal engagement, war of words, wrangling