assure [assured, assuring, assures](to make sure and secure) verb [UK: ə.ˈʃɔː(r)] [US: ə.ˈʃʊr]
reassure [reassured, reassuring, reassures](to assure anew; to restore confidence to; to free from fear or self-doubt) verb [UK: ˌriːə.ˈʃʊə(r)] [US: ˌriə.ˈʃʊr]