lensvslienConfusable pair

Which to use

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

#9,866
“lens” frequency rank
#656
“lien” frequency rank
10522
confusion score

Side-by-Side Comparison

Feature lens lien
Definition Lentille. Ce qui sert à lier, à attacher des objets ou des parties ensemble.

Where the eye mixes lens and lien

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
lens
4 ch
lien

Visual trap between lens and lien

A purely visual mix-up. lens (\ˈlɛnz\) and lien (\ljɛ̃\) 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 3 positions. Our composite confusion score for this pair is 10522, derived from the frequency rank of both members and their visual similarity.

lens is recorded at frequency rank #9,866, classified as anoun, pronounced \ˈlɛnz\. lien is at rank #656, tagged as anoun, pronounced \ljɛ̃\.

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 10522, this pair ranks #412,677 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lens vs lien

Shared letters: eln. Private to "lens": s. Private to "lien": i.

"lens" · 4 letters · shape CVCC  ·  "lien" · 4 letters · shape CVVC

Known mistypes of this pair

  • lenselns · lenns · lenss · lesn · llens · lnes
  • lienilen · lein · lienn · llien

Frequently Asked Questions

Is swapping "lens" for "lien" ever safe?
No. They are said differently (\ˈlɛnz\ versus \ljɛ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lens" or "lien"?
"lien" is the more common of the two: it sits at frequency rank #656 in our French list, against #9,866 for "lens". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "lens" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lien" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #412,677 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lens" and "lien" also get mixed up with nearby pairs, the highest-scored neighbour is "lens vs lep". 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 #412,677 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