匈牙利[hangarii] Hungary
勃牙利[burugaria] Bulgaria
葡萄牙[porutogaru] Portugal
牙城[gajou] stronghold (esp. of an enemy or opponent)
歯牙[shiga] teeth (and tusks)

歯牙矯正術[shigakyouseijutsu] orthodontia
歯牙疾患[shigashikkan] dental disease
歯牙状[shigajou] dentation
象牙[zouge] ivory