(mahjong) determining what tile would complete an opponent's hand

all day

two sides of the same coin

(monarchy) an East Asian practice of dating, using exactly one distinct era name for each monarch's reign, where such era name also eventually becomes the monarch's posthumous name

(phonology) the lack of any phonemic pitch accent in certain dialects of Japanese (all words have the same accent)

With all one's might; to the fullest; as much as possible.

maximal, possessing all one's might

the fullest extent; the limit (of one's power, etc.)

ceremonial hand clapping (tejime) of 3 claps, 3 claps, 3 claps, 1 clap, with a short pause between clapping / one clap at the end a cheer

(typography) each mark of the pairs of iteration marks ゝ/ゞ and ヽ/ヾ, respectively used to repeat 清音 (seion)/濁音 (dakuon) hiragana and katakana