墨 - black ink, India ink, ink stick

sumi; India ink; Chinese ink; ink stick; ink-cake

ink painting

tattoo (esp. a traditional Japanese one); tattooing

India-ink painting

certificate; certified document; authorization; authorisation

Mexico

printed characters (as opposed to Braille)

cuttlefish; squid

(piece of) chalk

stationery; pen and ink; writing materials

golden cuttlefish (Sepia esculenta)

Japan and Mexico