Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
識者 しきしゃ well-informed person, thinking person, intelligent personmix
草原 そうげん grass-covered plain/grasslands/meadows/savannah/prairie/steppe/(P)leda1
下着 したぎ underwearfuku, jlpt4, leda1
考古学 こうこがく archaeology, archeologymix
音速 おんそく speed of soundshizen