classical terminal form of modern adjective 濃い (koi, “thick in consistency; deep in color; rich in flavor”)

小物: small articles, gadget / 小物, 小者: young person, servant

四国: Shikoku, the smallest of the four main islands of Japan

黒炭: coal / コクタン, 黒檀: ebony

孵卵器: incubator

場札: (cards) the discard pile in various kinds of card games; (cards) cards on the board (during a card game)

(programming) bar (metasyntactic variable)

a female given name / a unisex given name

(archaic) Short for と言う (to iu):

(non-productive) verb-forming suffix attached to nouns (generally for native Japanese words)