lensvslungConfusable pair

Which to use

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

#47,908
“lens” frequency rank
#45,426
“lung” frequency rank
93334
confusion score

Side-by-Side Comparison

Feature lens lung
Definition Lente. Pulmón.

Where the eye mixes lens and lung

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. lens and lung follow the identical consonant-vowel pattern (CVCC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
lens
4 ch
lung

Look-alike desk: lens vs lung

A purely visual mix-up. lens (/lɛnz/) and lung (/lʌŋ/) 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 93334, derived from the frequency rank of both members and their visual similarity.

lens is recorded at frequency rank #47,908, classified as anoun, pronounced /lɛnz/. lung is at rank #45,426, tagged as anoun, pronounced /lʌŋ/.

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 93334, this pair ranks #1,192 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of lens vs lung

Shared letters: ln. Private to "lens": es. Private to "lung": gu.

"lens" · 4 letters · shape CVCC  ·  "lung" · 4 letters · shape CVCC

Known mistypes of this pair

  • lens ← elns · lenns · lenss · lesn · llens · lnes
  • lung ← llung · lnug · lugn · lungg · lunng · ulng

Frequently Asked Questions

Can "lens" and "lung" be used interchangeably?
No. They are said differently (/lɛnz/ versus /lʌŋ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lens" or "lung"?
"lung" is the more common of the two: it sits at frequency rank #45,426 in our Spanish list, against #47,908 for "lens". 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 "lens" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lung" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,192 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lens" and "lung" also get mixed up with nearby pairs, the highest-scored neighbour is "lens vs llené". 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 #1,192 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list