(organic chemistry) kojic acid

the color white / (by extension) innocence / (go) a white go stone / something unwritten / (colloquial) the white team in a 紅白 (kōhaku) group / (colloquial) an unlicensed prostitute

even if one says

beauty of one's skin lightness (in accordance with East Asian beauty standards)

koji mold / sake (Japanese rice wine)

sourness (quality or condition) / (chemistry) acid

effect / (judo) koka, points or the judge call to the points in the match of Japanese martial art of judo. less points to yuko.

to say, to tell somebody / to call, to name, to give a name / to cry, to call, to make a noise (such as an animal)

beluga whale; white whale (Delphinapterus leucas)

past tense and perfective aspect of 言う (iu, yū) [godan]