savings

(engineering, computing) core / (only in compounds) core (being central, crucial)

(slang) hardcore, passionate

(business) core competence

hundredth of a yen / (obsolete, archaic) one-thousandth of a kan

money, coin / sen (a hundredth of yen)

(only in compounds, music) hardcore

Demon core, a spherical subcritical mass of plutonium manufactured during World War II by the United States as a fissile core for an early atomic bomb

happy hardcore (music genre)

(Hachijō) earthworm