LukvslullWhich spelling fits?

Quick tell: Luk is a name, lull is a noun, so they fill different roles in a sentence.

Which to use

“Luk” is a name and “lull” is a noun - they look or sound alike but fill different roles in a sentence.

#45,495
“Luk” frequency rank
#26,150
“lull” frequency rank
71645
confusion score

Side-by-Side Comparison

Feature Luk lull
Definition A surname. A period of rest or soothing.

Letter map: Luk vs lull

Shared letters muted; letters that set Luk and lull apart highlighted. Shared run: 2.

3 ch
Luk
4 ch
lull

Grammar separator: Luk vs lull

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Luk is aname and lullanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71645, derived from the frequency rank of both members and their visual similarity.

Luk is recorded at frequency rank #45,495, classified as aname. lull is at rank #26,150, tagged as anoun, pronounced /lʌl/.

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 71645, this pair ranks #45,963 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Luk vs lull

Shared letters: lu. Private to "Luk": k. Private to "lull": -.

"Luk" · 3 letters · shape CVC  ·  "lull" · 4 letters · shape CVCC

Known mistypes of this pair

  • lullllul · llull · ulll

Frequently Asked Questions

Can "Luk" and "lull" be used interchangeably?
No - they are not even the same part of speech. "Luk" is a name and "lull" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Luk" vs "lull" - which ranks higher?
"lull" is the more common of the two: it sits at frequency rank #26,150 in our English list, against #45,495 for "Luk". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Luk" and "lull". Here's where to go from here.

  • Full dictionary entry for "Luk" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lull" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,963 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Luk" and "lull" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs Luk". 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 #45,963 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