the five lakes around Mount Fuji: 本(もと)栖(す)湖(こ) (Motosu-ko), 精(しょう)進(じ)湖(こ) (Shōji-ko), 西(さい)湖(こ) (Sai-ko), 河(かわ)口(ぐち)湖(こ) (Kawaguchi-ko) and 山(やま)中(なか)湖(こ) (Yamanaka-ko).

once

word / language / term

Donegal (a town in Ireland) / Donegal (a county of Ireland)

Galway (a county of Ireland) / Galway (a city in Ireland) / A transliteration of the English surname Galway

personal union

hot spring egg; onsen tamago (Japanese soft-boiled egg cuisine)

(Buddhism) religious zeal; taking great care for the afterlife / fastidiousness, doing one's best; exaggerated or excessive deliberateness

Bogor (a city in West Java, Indonesia)

(linguistics) language contact