塞爾維[serubia] Serbia
梗塞[kousoku] stoppage
塞栓[sokusen] embolus
充塞[juusoku] plug
人間万事塞翁が馬[jinkanbanjisaiougauma] inscrutable are the ways of heaven

腸閉塞[chouheisoku] intestinal obstruction
脳硬塞[noukousoku] stroke (blocked blood vessel in brain)
八方塞がり[happoufusagari] all doors closed
閉塞[heisoku] closure
要塞[yousai] fort

けつの穴[ketsunoana] anus
横穴[yokoana] cave
下穴[shitaana] pilot hole
穴だらけにする[anadarakenisuru] to fuck

穴凹[anaboko] hole
穴あけ器[anaakeki] (hole) punch
穴居[kekkyo] cave dwelling
穴居人[kekkyojin] cave dweller