Here's what rhymes with backbiting.

Consider these alternatives

divisiveness / decisiveness internecine / seen sniping / writing partisanship / which gamesmanship / which invective / effective recrimination / information recriminations / relations factionalism / given acrimony / testimony disunity / unity squabble / model cronyism / given savagery / very fratricidal / vital intrigue / seek confusions / institutions clientelism / given