ilanvsISSNConfusable pair

Which to use

“ilan” and “ISSN” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#39,343
“ilan” frequency rank
#37,392
“ISSN” frequency rank
76735
confusion score

Side-by-Side Comparison

Feature ilan ISSN
Definition Serpent. Numéro international d’identification des publications périodiques.

Where the eye mixes ilan and ISSN

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ilan (VCVC) and ISSN (VCCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
ilan
4 ch
ISSN

Visual trap between ilan and ISSN

A purely visual mix-up. ilan (\i.ˈlɑn\) and ISSN (\i.ɛ.s‿ɛ.s‿ɛn\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 76735, derived from the frequency rank of both members and their visual similarity.

ilan is recorded at frequency rank #39,343, classified as anoun, pronounced \i.ˈlɑn\. ISSN is at rank #37,392, tagged as anoun, pronounced \i.ɛ.s‿ɛ.s‿ɛn\.

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 76735, this pair ranks #30,304 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ilan vs ISSN

Shared letters: in. Private to "ilan": al. Private to "ISSN": s.

"ilan" · 4 letters · shape VCVC  ·  "ISSN" · 4 letters · shape VCCC

Known mistypes of this pair

  • ilan ← ialn · ilann · illan
  • ISSN ← isn · isns · issnn · sisn

Frequently Asked Questions

Is swapping "ilan" for "ISSN" ever safe?
No. They are said differently (\i.ˈlɑn\ versus \i.ɛ.s‿ɛ.s‿ɛn\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ilan" or "ISSN"?
"ISSN" is the more common of the two: it sits at frequency rank #37,392 in our French list, against #39,343 for "ilan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "ilan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ISSN" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,304 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ilan" and "ISSN" also get mixed up with nearby pairs, the highest-scored neighbour is "ilan vs Ilona". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #30,304 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list