How to say "ink" in Japanese

• インクJLPT N3approx.Common
  nounInk in its basic sense — the liquid used for writing and printing. This is the form to use in your own speech and writing; it differs from インキ only in pronunciation and spelling.
  あなたの名前なまえはインクで書かかなければならない。↗

  You must write your name in ink.
• インキJLPT N2approx.Common
  nounThe same word for ink as インク, differing only in pronunciation and spelling; no difference in meaning or nuance. It is a common word, but as a learner you can simply default to インク.

There is no sense distinction to make: 「インク」 and 「インキ」 are the same loanword for ink in two forms, with no difference in meaning; either is understood, and 「インク」 is simply the form to use yourself.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• インクink
• インキink
• 墨汁ぼくじゅうink (of a cuttlefish, etc.)