Vocabulary consisting only from characters you are able to read
秋分の日
shuubunnohi
autumn equinox holiday (Sep 23 or 24), fall equinox holiday, autumnal equinoxtoki
外国語
gaikokugo
foreign languagemix
土木
doboku
public worksmix
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix