Vocabulary consisting only from characters you are able to read
八日
jouka
eight days, the eighth (day of the month)jlpt5, toki
遠心力
enšinrjoku
centrifugal forcemix
大昔
oomukaši
great antiquity, old-fashioned, long agomix
人工
džinkou
artificial, manmade, human work, human skill, artificialitymix
人
hito
man, person, human being, mankindhito, jlpt5