天変地異: an extraordinary natural occurrence: a catastrophe, a calamity

Kyūjitai form of 転注: (linguistics) figurative extension of meaning

起承転結: structure of a narrative or poem

a carrying pole, a yoke as used by people for carrying things

observatory (place where celestial bodies are observed)

kaiten sushi, conveyor belt sushi (sushi served on a sushi train)

Taiping Heavenly Kingdom

Kyūjitai form of 太平天国 (“Taiping Heavenly Kingdom”)

an outdoor bath, often at a naturally occurring hot spring

(linguistics) sound shift / (linguistics) sound shifts from Old Japanese to Modern Japanese, especially those which are preserved in historical kana usage.