<span class="searchmatch">diffusèrent</span> third-person plural past historic of diffuser...
za/ diffusa /di.fy.za/ diffusâmes /di.fy.zam/ diffusâtes /di.fy.zat/ <span class="searchmatch">diffusèrent</span> /di.fy.zɛʁ/ future diffuserai /di.fyz.ʁe/ diffuseras /di.fyz.ʁa/ diffusera...