旧

old system; old order

old friendship

old school; old style

old state of affairs

old fief

old promise; old agreement; old covenant

Abbreviation

Old Testament

conservatism

past misdeeds; old crimes

Old World (i.e. Asia, Africa, Europe)

ruins; remains

old work; existing work

former name; maiden name

old school; old style; conservative people

reminiscence; nostalgia; thinking fondly of the past; recalling the old days

old name; back number

old enemy

former (feudal) domain; former fief

old edition

lunar New Year (esp. the Chinese New Year)

past events; bygones

former army

Historical term

Imperial Japanese Army

one's former teacher; one's old teacher

ancient nation

homeland; one's native land; birthplace

old custom