personal grudge

Kyūjitai form of 私鉄 (“private railway”)

global warming

(geology, physics) geophysics

Synonym of 天動説 (tendōsetsu, “geocentrism”)

a terrestrial planet

retirement

one's sister regardless of age difference / one's lover or sweetheart who is the subject of marriage or is already married / (archaic, said from a female speaker) a close female companion

Indonesia

mental image, one's impression or the image that comes to mind / impression; personal image; persona; face / artist's impression