ILSvsinkTell them apart

Which to use

“ILS” and “ink” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#39,360
“ILS” frequency rank
#6,368
“ink” frequency rank
45728
confusion score

Side-by-Side Comparison

Feature ILS ink
Definition Initialism of instrument landing system. A pigment (or dye)-based fluid used for writing, printing etc.

Letter map: ILS vs ink

Shared letters muted; letters that set ILS and ink apart highlighted. Shared run: 1.

3 ch
ILS
3 ch
ink

Pair insight - ILS / ink

ILS and ink are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 45728, derived from the frequency rank of both members and their visual similarity.

ILS is recorded at frequency rank #39,360, classified as anoun. 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 45728, this pair ranks #218,507 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ILS vs ink

Shared letters: i. Private to "ILS": ls. Private to "ink": kn.

"ILS" · 3 letters · shape VCC  ·  "ink" · 3 letters · shape VCC

Frequently Asked Questions

Do "ILS" and "ink" mean the same thing in a sentence?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "ILS" vs "ink" - which ranks higher?
"ink" is the more common of the two: it sits at frequency rank #6,368 in our English list, against #39,360 for "ILS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "ILS" vs "ink" is on the table, pick a follow-up below.

  • Full dictionary entry for "ILS" 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 #218,507 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ILS" and "ink" also get mixed up with nearby pairs, the highest-scored neighbour is "Ilan vs ILS". Nearby pair

Confusion rank #218,507 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