Vocabulary consisting only from characters you are able to read
億
oku
(num) 100,000,000, hundred millionjlpt4
鼠
nezumi
(1)mouse, rat, (2)dark gray, dark grey, slate (color, colour); (3)mouse, rat, (4)dark gray, dark grey, slate (color, colour) doubutsu
兆
čou
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
十億
džuuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
白黒
širokuro
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
一兆
iččou
1,000,000,000,000, one trillion, one billion (obs. British)mix
色々
iroiro
(1)various, (2)(arch) various colors (colours) mix