dark gray (color)

Independence Day

a horsetail / horsehair, specifically from the tail / (anatomy) cauda equina

a zombie

profligate; decadent; lascivious

profligacy; decadence; lasciviousness

rabbi

(historical) "Day of Public Duty for the Development of Asia": the first day of every month (1939–1942), when eating at restaurants was forbidden as part of the National Spiritual Mobilization Movement (国民精神総動員運動)

ears and nose

snakeskin / (dermatology) peeling skin syndrome, as if moulted like snakeskin / Short for 蛇皮線 (jabisen): a 三線 (sanshin, “Okinawan fretless lute”) usually made from snakeskin