Vocabulary consisting only from characters you are able to read
取調べ
とりしらべ
investigation (e.g. by police or prosecutors), examination, inquiry, enquirymix
消失
しょうしつ
die out, disappear, vanish; die out, disappear, vanishsuru
変数
へんすう
variable (e.g. math), parametermix
課題
かだい
subject/theme/task/challenge/issue/matter/(P)jlpt3, leda1
犬歯
けんし
eyetooth, cuspid, canine (tooth), dogtoothmix