Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
活火山 kakkazan active volcanoshizen
世界一 sekaiichi best in the worldmix
山登り yamanobori mountain climbingleda1
母校 bokou alma matergakkou, leda1
内科 naika (1)internal medicine, i.e. treatment by medical procedures rather than surgical procedures, (2)department of internal medicine (hospital, etc.) byouki