lack vs Lau, What's the Difference?

Which to use

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

#1,274
“lack” frequency rank: #20,408
“Lau” frequency rank: 21682
confusion score

Side-by-Side Comparison

Feature	lack	Lau
Definition	A deficiency or need (of something desirable or necessary); an absence, want, dearth.	A surname from Chinese.

Where the eye mixes lack and Lau

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

4 ch

lack

3 ch

Lau

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: lack is /læk/ while Lau is /laʊ/. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 21682, derived from the frequency rank of both members and their visual similarity.

lack is recorded at frequency rank #1,274, classified as anoun, pronounced /læk/. Lau is at rank #20,408, tagged as aname, pronounced /laʊ/.

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 21682, this pair ranks #422,140 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lack vs Lau

Shared letters: al. Private to "lack": ck. Private to "Lau": u.

"lack" · 4 letters · shape CVCC · "Lau" · 3 letters · shape CVV

Known mistypes of this pair

lack ← alck · lacck · lackk · lakc · lcak · llack

Frequently Asked Questions

Can "lack" and "Lau" be used interchangeably?

No - they are not even the same part of speech. "lack" is a noun and "Lau" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "lack" or "Lau"?

"lack" is the more common of the two: it sits at frequency rank #1,274 in our English list, against #20,408 for "Lau". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "lack" and "Lau". Here's where to go from here.

Full dictionary entry for "lack" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "Lau" - compare definitions side by side with the headword page. Word entry
This pair ranks #422,140 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"lack" and "Lau" also get mixed up with nearby pairs, the highest-scored neighbour is "Lau vs LSC". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.