wet
Be careful. The ink is still wet.

coloured/colored
black, red, etc.
dark
India (esp. AmE), Indian (esp. BrE)
squid
indelible, permanent
invisible
printing
printer
pigment (AmE)
tattoo

use
Most people now use ballpoints rather than ink.

write in
He wrote very neatly in blue ink.

apply
spill
smear, smudge

dry
Allow the ink to dry.

blot, spot, stain
pen
cartridge
We need to replace the ink cartridge in the printer.

bottle
pad (usually ink-pad)
drawing

in ink
There were several alterations in ink.

pen and ink
a pen-and-ink drawing

Ink is used with these nouns as the object:
deal