加盟[kamei] participation
加盟国[kameikoku] member-nation
加盟者[kameisha] participants
加盟店[kameiten] participating store
軍事同盟[gunjidoumei] military alliance

三国同盟[sangokudoumei] triple alliance
盟う[chikau] to swear
同盟休校[doumeikyuukou] student strike
同盟軍[doumeigun] allied armies
同盟国[doumeikoku] ally (of another nation)

握り締める[nigirishimeru] to grasp tightly
引き締る[hikishimaru] to become tense
噛締める[kamishimeru] to chew thoroughly
元締[motojime] manager
戸締り[tojimari] closing up

締め殺す[shimekorosu] to strangle to death
三本締め[sanbonjime] hand-clapping patter (at start of party)
取締まる[torishimaru] to manage
取締役会[torishimariyakukai] board of directors
条約の締結[jouyakunoteiketsu] conclusion of treaty