(mahjong) red tile; unique to Japanese mahjong and used to score bonus points

(astronomy) right ascension

Kyūjitai form of 赤経 (“right ascension”)

(astronomy) declination

(literally) red beard; a man with a red beard / a Ryukyu robin, Larvivora komadori

red turnip (any of several varieties of turnip (Brassica rapa) that are red or purple in color) / radish / beet, beetroot

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

(astronomy) Sirius, Dog Star

a male given name

"Werewolf", a party game featuring werewolves and villagers equivalent to the Western "Mafia"