lulvslungTell them apart

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

Which to use

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

#45,496
“lul” frequency rank
#6,070
“lung” frequency rank
51566
confusion score

Side-by-Side Comparison

Feature lul lung
Definition Alternative form of LOL. A biological organ of vertebrates that controls breathing and oxygenates the blood.

Where the eye mixes lul and lung

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
lul
4 ch
lung

Visual trap between lul and lung

These two trip readers on the page rather than in the ear: lul is /lʌl/ while lung is /ˈlʌŋ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (intj vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51566, derived from the frequency rank of both members and their visual similarity.

lul is recorded at frequency rank #45,496, classified as anintj, pronounced /lʌl/. lung is at rank #6,070, tagged as anoun, pronounced /ˈlʌŋ/.

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 51566, this pair ranks #164,389 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lul vs lung

Shared letters: lu. Private to "lul": -. Private to "lung": gn.

"lul" · 3 letters · shape CVC  ·  "lung" · 4 letters · shape CVCC

Known mistypes of this pair

  • lungllung · lnug · lugn · lungg · lunng · ulng

Frequently Asked Questions

Do "lul" and "lung" mean the same thing in a sentence?
No - they are not even the same part of speech. "lul" is an intj and "lung" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lul" or "lung"?
"lung" is the more common of the two: it sits at frequency rank #6,070 in our English list, against #45,496 for "lul". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "lul" 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 #164,389 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lul" and "lung" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lul". 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 #164,389 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