IJvsinkTell them apart

Quick tell: IJ is a name, ink is a noun, so they fill different roles in a sentence.

Which to use

“IJ” is a name and “ink” is a noun - they look or sound alike but fill different roles in a sentence.

#46,535
“IJ” frequency rank
#6,368
“ink” frequency rank
52903
confusion score

Side-by-Side Comparison

Feature IJ ink
Definition A lake (formerly a bay) adjoining the city of Amsterdam, Netherlands. A pigment (or dye)-based fluid used for writing, printing etc.

Where the eye mixes IJ and ink

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
IJ
3 ch
ink

Why the eye confuses IJ with ink

These two trip readers on the page rather than in the ear: IJ is /eɪ/ while ink is /ˈɪŋk/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52903, derived from the frequency rank of both members and their visual similarity.

IJ is recorded at frequency rank #46,535, classified as aname, pronounced /eɪ/. ink is at rank #6,368, tagged as anoun, pronounced /ˈɪŋk/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 52903, this pair ranks #153,223 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of IJ vs ink

Shared letters: i. Private to "IJ": j. Private to "ink": kn.

"IJ" · 2 letters · shape VC  ·  "ink" · 3 letters · shape VCC

Frequently Asked Questions

Can "IJ" and "ink" be used interchangeably?
No - they are not even the same part of speech. "IJ" is a name and "ink" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "IJ" or "ink" show up more?
"ink" is the more common of the two: it sits at frequency rank #6,368 in our English list, against #46,535 for "IJ". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "IJ" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ink" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #153,223 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "IJ" and "ink" also get mixed up with nearby pairs, the highest-scored neighbour is "IJ vs ith". Nearby pair

Confusion rank #153,223 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list