inks

From Wiktionary

Noun[change]

Singular
ink

Plural
inks

  1. The plural form of ink; more than one (kind of) ink.
    There are many different colored inks for you to choose from.
    Some inks are natural, while others are man-made.

Verb[change]

Plain form
ink

Third-person singular
inks

Past tense
inked

Past participle
inked

Present participle
inking

  1. The third-person singular form of ink.
    That tattoo artist inks 10 people a day.