Vocabulary consisting only from characters you are able to read
百京
hyakukyou
kvadrilionmix
億
oku
(num) 100,000,000, hundred millionjlpt4
兆し
kizashi
signs, omen, symptomsmix
百
hyaku
(num) 100, hundredjlpt5
兆
chou
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix