Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
入院する njuuinsuru to hospitalisebyouki, jlpt4, suru, verb
濃度 noudo (1)concentration, thickness, density, (2)cardinality adj
尾ひれ ohire caudal findoubutsu
kjuu urgentjlpt3, jlpt4
不意 fui sudden, abrupt, unexpected, unforeseenmix