Which word is diffrent?

•          embolia – empyema – emesis – empathia

•          disseminatus – dysaesthesia – dysenteria – dyspepsia – dystrophia

•          endemia – endocranialis – enostealis – enervatio

•          diaphragma – diaeta – diencephalon – dialysis

•          endometrium – metritis – diameter – parametrium – myometrium – perimetrium

•          apocrinia – apolaris – apophysis – aponeurosis

•          perichondrium – pericardium – periosteum – periculum – peritonaeum – periodontium