Petitjean rhymes with:
detjen, tietjen, allergan, allergen, amerongen, antigen, belgian, bijan, bludgeon, burgeon, cajun, carcinogen, collegian, contagion, dajun, detjen, dodgen, dudgeon, dungeon, engine, estrogen, evjen, georgian, gudgeon, halogen, hodgen, hydrogen, imagine, karajan, legion, margin, nadjen, neurosurgeon, nitrogen, norwegian, oncogen, origin, oxygen, pathogen, pigeon, pridgen, rathjen, region, religion, smidgen, sturgeon, sundararajan, surgeon, tejan, tietjen, trajan, trojan, trudgen, virgen
Petitjean sounds like:
patagonia, patagonian, patchen, patchin, pathogen, patteson, pattison, pettijohn, pidgeon, pietism, pitchman, pitchmen, pitkin, pitswon, pitzen, potassium