đồng nhất thức 
identity [ đồng ] : (1) unit of currency, money; coin; (2) field; (3) same, co-, fellow; (4) copper, brass
[ nhất ] : one; (the) first, most
[ thức ] : (1) manner, form, pattern; (2) to wake, awaken
Most Common Compounds Set 1:
Most Common Compounds Set 2 :