Vocabulary consisting only from characters you are able to read
意気
いき
spirit, heart, dispositionmix
交える
まじえる
(1)to mix, to combine, (2)to exchange (words, fire, etc.), (3)to cross (e.g. swords), to join together ichidan, verb, vtrans
係数
けいすう
(math) coefficient, factor, proportional constantmix