Vocabulary consisting only from characters you are able to read
加わる
くわわる
přidat se, připojit se, zúčastnit severb
やり取り
やりとり
giving and taking/exchange (of letters)/arguing back and forth/(conversational) exchange/(P)jlpt3, suru
相談
そうだん
consultation, discussionsuru
争う
あらそう
(1)to compete, to contest, to contend, (2)to quarrel, to argue, to dispute, to be at variance, to oppose, (3)(usu. in negative form) to deny (e.g. evidence) godan, jlpt3, verb, vintrans
対戦
たいせん
waging war, competitionsuru