Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
草食動物 そうしょくどうぶつ herbivoredoubutsu, leda1
大変な たいへん な tough, awfuladj, jlpt3
経済学 けいざいがく economicsmix
夜中 よなか during the night, at night; (arch) all night, the whole night; midnight, dead of nightmix
開通 かいつう opening, open, taking effect, becoming activesuru