by any chance, just in case

a one in a million occurrence

a black market

temporarily

eleven o'clock

(grammar) a verbal conjugation class in which the verb stem ends in -i and consists of four alternating bases: -i, -iru, -ire, and -iyo/-iro

unifying and controlling the whole world as a single house / during World War II, used as a nationalistic slogan to rationalize overseas expansion

(idiomatic) from A to Z

those who belong to the same family or clan / all members of a family

(grammar) Short for 上一段活用 (kami ichidan katsuyō): upper monograde conjugation