Vocabulary consisting only from characters you are able to read
留年
ryuunen
repeating the same class (school), staying more than two years in the same classgakkou, suru
昨今
sakkon
nowadays, recently; nowadays, recentlytoki
百万
hyakuman
(1)1,000,000, one million, million, (2)many mix
中世
chuusei
Middle Ages, mediaeval timestoki