Vocabulary consisting only from characters you are able to read
億
oku
(num) 100,000,000, hundred millionjlpt4
~回
~kai
(first, second, etc.) time, roundjlpt5
他言する
tagonsuru
telling others/revealing to others/letting out a secretleda1, suru, verb
年頭
nentou
(1)the oldest person/ (2)beginning of the year/(P) leda1