langvslungWhich spelling fits?

Quick tell: lang is a adjective, lung is a noun, so they fill different roles in a sentence.

Which to use

“lang” is an adjective and “lung” is a noun - they look or sound alike but fill different roles in a sentence.

#18,297
“lang” frequency rank
#45,426
“lung” frequency rank
63723
confusion score

Side-by-Side Comparison

Feature lang lung
Definition Largo. Pulmón.

Where the eye mixes lang and lung

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

4 ch
lang
4 ch
lung

Why the eye confuses lang with lung

These two trip readers on the page rather than in the ear: lang is [laŋ] while lung is /lʌŋ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “lang” becomes u in “lung”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 63723, derived from the frequency rank of both members and their visual similarity.

lang is recorded at frequency rank #18,297, classified as anadj, pronounced [laŋ]. 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 63723, this pair ranks #47,843 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of lang vs lung

Shared letters: gln. Private to "lang": a. Private to "lung": u.

"lang" · 4 letters · shape CVCC  ·  "lung" · 4 letters · shape CVCC

Known mistypes of this pair

  • langalng · lagn · langg · lanng · llang · lnag
  • lungllung · lnug · lugn · lungg · lunng · ulng

Frequently Asked Questions

Can "lang" and "lung" be used interchangeably?
No - they are not even the same part of speech. "lang" is an adjective and "lung" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "lang" or "lung" show up more?
"lang" is the more common of the two: it sits at frequency rank #18,297 in our Spanish list, against #45,426 for "lung". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "lang" and "lung" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lang" 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 #47,843 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lang" and "lung" also get mixed up with nearby pairs, the highest-scored neighbour is "longo vs lung". 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 #47,843 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