Vocabulary consisting only from characters you are able to read
八日
ようか
eight days, the eighth (day of the month)jlpt5, toki
中世
ちゅうせい
Middle Ages, mediaeval timestoki
兆
ちょう
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix