stomatology - teeth, cardiology - ?

HEART
WordClue
GUMThe flesh around the teeth
BRAINstomatology - teeth, neurology - ?
LIVERstomatology - teeth, hepatology - ?
TEETHcardiology - heart, stomatology - ?
NEUROLOGYteeth - stomatology, brain - ?
CARDIOLOGYteeth - stomatology, heart - ?
HEPATOLOGYteeth - stomatology, liver - ?
STOMATOLOGYheart - cardiology, teeth - ?
MAWstomach, tummy
LIVERstomatology - teeth, hepatology - ?