Confessions rhymes with:
profession's, professions, aggressions, concessions, depressions, digressions, discretions, expressions, freshens, impressions, indiscretions, obsessions, oppressions, possessions, processions, profession's, professions, recession's, recessions, regressions, repossessions, repressions, session's, sessions, sessions', transgressions
Confessions sounds like:
campaign's, campaigning, campaigns, campesinos, canvassing, champagnes, composing, confessing, confusing, confusions