failure (in an examination) / failure (to advance to the next grade or graduate from school)

lust murder

Luxemburg (a city in Iowa) / Luxemburg (a village in Wisconsin)

hedonism

hedonistic

absolute pleasure / rebirth in paradise, peaceful death

optimist

optimism

constructor (person or organization that constructs) / employee of private military company / (programming) Alternative spelling of コンストラクタ (konsutrakuta, “constructor”)

optimistic